Failed To Authenticate On Smtp Server With Username


Determine whether devices and applications will authenticate or connect anonymously. Select Other/Custom name from Select App, give it a name such as “DO – Production Server” and then click Generate. If you use 2-step authentication this should be the other way around, switch from user name and password to ouath. ( Linux Cent OS ) i cant login as root user in my lab machine i did give correct root and root passwd. Failed to authenticate on SMTP server with username " info@yazdimail. Steps: Change the SMTP mail server from :25. The steps listed below explain how to get SMTP mail working on Joomla 3. Authentication failure SMTP: SMTP server does not support authentication. My email service is Office 365 (Exchange Online) and I get informations above with admin: Sender E-Mail: monitor@zillion. php is located in /usr/share/pear/ directory. Enabled: This determines whether the Lotus Domino 8 server can authenticate. ir" using 2 possible authenticators what is my problem how i can resolve it i n the meantime I have access to the server (ssh,directadmin). Use the E-mail Setup page on the Scan/Digital Sending tab of the embedded Web server to configure the correct authentication information. ) Click on 'Outgoing Server (SMTP)' from the box on the left 7. net Unable to log into mail account over port 587: bad boolean configuration: smtpd_enforce_tls Content of subfolders are not included into mailbox usage when Dovecot is used as POP3/IMAP. Otherwise, UTL_SMTP uses the first scheme in the list. Security Warning: sendmail 8. Use following class to send emails using your GMAIL account. Introduction. I could go to system preferences and try to update the password for the account as prompted, and the authentication appeared to succeed, but I got the "Failed to authenticate with Google" message when I tried to accept the management of the account by Google. Many honest mail servers get put on this list because someone broke through and used their server to relay spam. You need to set SSL credentials. Cannot resolve the SMTP server. SMTP Password: The password to connect to your SMTP server. Select Use secure authentication. C# (CSharp) MailKit. com, port: 25 ) all time show "Job failed. After converting my web stack over to Docker recently, I had installed the WP Mail SMTP plugin in WordPress to handle mail from the site. The alert process can send email notifications using Database Mail after you have configured your SMTP settings and setup your jobs and alerts to use this account. Your user name is not yet registered on the server. Mail is not delivered: SASL authentication failed; server smtp. To determine the schemes the SMTP server supports from its EHLO reply, the user must call the EHLO Function and Procedure. Getting this far indicates that your connection to smtp. SMTPer provides you a full interface to test your Mail server on the fly. net is 995, with SSL and password authentication and smtp. Before you asked for it: - I confirm IMAP/POP services are enabled on the mailbox, services are running on all my servers etc. In code, when I authenticate through SMTP (user/pass) and tries to send an email from "user@mydomain. 31002: SMTP [500]Syntax error, command unrecognized. Gmail users: try to switch from oAuth authentication to Username & Password and enable less secure apps. The steps for how to configure Exchange Server 2016 SMTP relay are: Determine whether your scenario is internal relay or external relay. In this tutorial, you will learn how to use free Google SMTP server. I have tried the following to fix this problem: I have checked all of the mail settings and they are all correct. pem per instructions with the hostname included in the cert. however, the server may not permit you to use AUTH PLAIN in a non-encrypted session. That is, authentication identifies who. Account locking by failed login attempts. Yahoo SMTP Server¶ Yahoo SMTP server address is smtp. Account less secure app turned ON, also Recapture enabled. SMTPer provides you a full interface to test your Mail server on the fly. If you receive the 220 response you can reach the SMTP server and there is no connectivity problem but if the connection to the server failed see what's wrong in your network. I cannot send outgoing emails with the microsoft office 365 email server. that is saying you need to supply a username and password to use your SMTP server - you need to either ask you admins for an smtp server that doesn't need that (likely you don't have one if they use one with authentication) or read a bit about the smtp protocol and see how to send the required authentication tokens. ** Fixed in v1. They also should have a Help or FAQ section at their site where you can see the SMTP server name, exactly as you should type it in to set up your email account. About this Guide; 2. edu" using 0 possible authenticators (library/class. Cannot connect to SMTP host. Click the "Advanced" tab and make sure that "Use the following type of encrypted connection" is set to "None" for the outgoing (SMTP) port settings. ===== This certificate belongs to: *. Then, click on the "Delivery Options" tab and check the "Requires Authentication" box under your SMTP server address. Non Gmail users: make sure that 2 steps authentication is turned off, or if it’s on, generate an app specific password. Since I'm on linux (centos) the easiest solution was to configure a multi instance postfix setup where eacht postfix instance is listenening on it's own port and forwarding to it's own authenticated smtp server. 535 Authentication failed (default user/pass?) Use this forum if you have installed hMailServer and want to ask a question related to a production release of hMailServer. 535: Incorrect authentication data: Messages submitted to SMTP port 587 require authentication. SMTP Authentication, often abbreviated SMTP AUTH, is an extension of the Simple Mail Transfer Protocol (SMTP) whereby a client may log in using any authentication mechanism supported by the server. 1 Error: authentication not enabled As I have googled it, this seemsto be some kind of postfix problem, but i can't figure it out. The smtp server need SMTP AUTH in order to send email with SMTP. ) Verify that 'Use name and password' is checked and that the username is entered correctly 9. However, I want to authenticate with the standard SMTP server with a username + password and send e-mail using "standard clients". This is the email server used to send emails. I have tried domain\user, user, user@domain. * Pull down the. Dovecot as LDA (Local Delivery Agent) –> This is the POP3 and IMAP server. Double check username and password 2. The crashed web server won't come up until it is restarted. This is the email server used to send emails. At last, click on "Ok" button to deploy all the settings. Depending on your e-mail provider, this is usually either your full e-mail address or the part of your e-mail address before the "@" symbol. authentication method password, transmitted insecurely (oops) Suddenly when I try to get my email, it stops and tells me there's an authentication failure. Usually because it could not be found, or because of incoming policy reasons. If you are running SMTP on your Windows Server, you may notice that your SMTP logs contain thousands of lines like below: "91. The smtp server need SMTP AUTH in order to send email with SMTP. Has Gmail changed the way their SMTP authentication works? How do I fix this?. Solution : Make Sure the SMTP (Mail) Server is an Open Relay Server or Uses POP-Before-SMTP Authentication The mail server being used must be an Open Relay server or use POP before SMTP authentication. If you do not want to use your ISPs server for SMTP, and the ISP is blocking port 25, you can switch the port to 587 for your outgoing mail and use mail. With OAuth2 you do not need to "Allow less secure apps to access mail. I also checked logs on physical firewall, and there is no denies towards smtp. Getting this far indicates that your connection to smtp. Configuring E-mail Settings If you would like to have the DVR send out e-mails when certain events are detected or exceptions have been triggered, you must first setup the e-mail settings. Step 1) Check you have turned on 'smtp authentication' in your email client. The AUTH command is an ESMTP command (SMTP service extension) that is used to authenticate the client to the server. X while using GSuite as your custom domain email provider. php line 181: Failed to authenticate on SMTP server with username "info@domain. Did you have problems setting up PHP on a Windows server which is running IIS and also running an SMTP server inside IIS? Have you faced problems sending mail from PHP scripts running on IIS server with IIS SMTP engine? By default, IIS doesn’t allow relaying SMTP emails if it comes from 3rd party products. Gmail SMTP server – smtp. I could go to system preferences and try to update the password for the account as prompted, and the authentication appeared to succeed, but I got the "Failed to authenticate with Google" message when I tried to accept the management of the account by Google. com) and your password. Socket is no longer readable InitialResponse: Failed to get initial SMTP response. Nobella67 (@nobella67). xml file, you MUST restart the administrative server for the changes to take effect. i'm unable to configure scan to email setup with google free SMTP server ( smtp. I also checked logs on physical firewall, and there is no denies towards smtp. From the Domains menu set up and verify a new domain, then enable Generate DKIM Settings for the domain. Google’s current form of authentication is not compatible with older pieces of software that use traditional IMAP authentication, and shortly after the failed authentication attempt, you’ll. Please note that administrative actions will show up in the logs as API Operation events. Also, please make sure SSL is checked in incoming and outgoing ports. Authentication with OpenID. com authentication: :login user_name: [email protected]. For other information check out our article on what is an SMTP server. Update: I've changed to no-ip. com) and your password. 1x authentication profile. 8 Username and Password not accepted. Mail is not delivered: SASL authentication failed; server smtp. net hello [66. Gmail provides SMTP service that you can use to send out emails from your website. However, you will want to change this to use Google's free SMTP server. There is no need to use an SMTP relay just configure the Outgoing Mailsettings via Central Administration or Powershell. With PHPMailer you can even use your own SMTP server and avoid Sendmail routines used by the mail() function. Qmail allows to build a database for fast lookup by means of the qmail-users mechanism. 135]:37894: 535 Incorrect authentication data (set_id=username@domain. Package cyrus-sasl-plain-2. Cerberus FTP Server is a secure Windows file server with FTP, FTPS, SFTP, HTTPS, FIPS 140-2 encryption, and Active Directory and LDAP authentication. Send - 30 examples found. com as the smtp server, port 465; the right username and password. Add your username. edu" using 0 possible authenticators (library/class. Want to be notified when our article is published? Enter your email address and name below to be the first to know. Communication is opened between the Desk. I am unable to use SMTP or POP/IMAP as we don't have these configured on the server. Riskier though since messages from untrusted servers usually end up in the Spam folder. still playing with this to see if there is some AOL update i need to make to my old account. com" using 1 possible authenticators (library/class. I also checked logs on physical firewall, and there is no denies towards smtp. --CopyMail --ChilkatLog. Smtp login problem 535 5. How to Configure Exchange Server 2016 for SMTP Application Relay. com Postfix will not send the authentication info contained in smtp_sasl_password_maps file because it as no entry for the server gmail-smtp. Maybe the server need to authenticate the user, please check it and try again interestingly, this is a different message than is returned when i try other services ("The server does not support the authentication mode used by the device"). pass settings are not in the conf file more than once, and if they are, to comment them all out?. ne is port 465 with SSL and password. Following is sample code to send an email via authenticated smtp server. It's asking for -name or IP address of yahoo's SMTP Server (or outbound mail server) -The SMTP Port. If the server needs auth try to authenticate on the server by username and password and see if something goes wrong. The server does not support authentication anyway. com on telnet it does not work because authentication is mandatory and for some reason I was not able to make authentication work in Telnet After lots of research and brainstorming I was able to get awesome reliable tool i. Maybe there was a recent change on their end in regards to policy. Whenever I try to, it says (pop) -ERR SPA Required, use AUTH o. But mail sending failed log shows SASL authentication failed; server smtp. WebHostPro Well-Known Member PartnerNOC. All the mail started to flow again once I went to the Queue page and clicked resend all. Failed to authenticate on SMTP server with username "UISuMo" using 2 possible authenticators - Need Help cstplglobal 2017-08-25 09:17:48 UTC #1 Hello All. PHP send email using PHP SMTP mail Pear functions – Sample source code. Tried all type of authentication method. This is how to fix "email cannot be sent" when you're using gmail SMTP setup on your contact form. We recommend you set up Sender Policy Framework (SPF) and/or Domain Keys Identified Mail (DKIM) for your email domain. Gmail is a fantastic webmail application, but some people find it handier to access their own inbox from an email client like Thunderbird or Outlook: to do that it’s necessary to configure its outgoing server entering the right settings. POP E-mail Address: Enter the e-mail address. Mailing Bounces 100% with “authentication failure” or “failed to set sender”. net 250-OMTA08. If I change it to 587, every derivation I try comes back with "Unrecognized authentication type". Your feedback is appreciated. From the Outlook Menu Bar click on Tools. SASL authentication failure when attempting to use gmail as a postfix relay on TKL - any ideas? SOLVED, thanks to LancelotLink Original post follows in case it helps anyone in the future. Smtp login problem 535 5. How to Configure Exchange Server 2016 for SMTP Application Relay. Use this feature with SMTP servers that do not allow Anonymous connections, or with SMTP servers that allow both authenticated and non-authenticated connections. In the latter case we will have to specify SMTP server address, port, connection security protocol and authentication type and credentials. Please revise your settings. After some research I found that the Antivirus ( McAfee in my case ) was blocking the SMTP port 25 and the SMTP server did not want the username and password to get authenticated. The user’s mailbox was unavailable. I have all the same smtp server settings and the correct smtp authentication credentials as well. com and make sure "Use username and password" is checked. Gmail provides SMTP service that you can use to send out emails from your website. Ask the SMTP server to authenticate us using the current account: AUTH LOGIN. Could you please tell me what can be a problem ? or where. All SMTP connections allow to use proxies for making connections. And nothing at all is added to the log when I get the message "Mail server does not support secure authentication". com" not "oracle". 135]:37894: 535 Incorrect authentication data (set_id=username@domain. If the server cannot authenticate, no attempt is made to try a unauthenticated session. Then, open Email Server tab and choose either default SMTP server (set in of Automation Workshop options) or custom SMTP server. php is located in /usr/share/pear/ directory. SMTP Settings. This page has a list of SMTP Server Settings for most ISP’s. At some point you may need to turn to the Ubuntu community for more experienced help. br SMTP Relay Server: pod51028. This can happen even if it is able to receive mail successfully. That usually means that it knows you supplied the correct username and password, but for some other reason you're not allowed to use that server. Remove these address from your list - it is likely a fake, or it was mistyped. – If you still can’t find the SMTP details you require below for your ISP settings, then SMTP2Go have come to the rescue with an easy-to-setup SMTP service which fixes your problem once and for all. For the record, my systems use : user@domain. I am unable to use SMTP or POP/IMAP as we don't have these configured on the server. Administering a Postfix server can be a very complicated task. Then enabled user authentication linked to an active directory external server. com:password but postfix connects to gmail-smtp. POP E-mail Address: Enter the e-mail address. The correct format is: username@domain. com) Password: The password for SMTP mail server; Once you are done click on the “Save Changes” button to save the settings. Hence it confirmed that SMTP server name and the port number was all right. Also, make sure that for the username, Office365 requires the username in your SMTP configuration to be your full email address, which includes the domain. here are my SMTP details: MAIL_DRIVER=smtp MAIL_HOST=mail. As a result of this requirement, any email sent over the Verizon servers can be traced back to the sender. If I change it to 587, every derivation I try comes back with "Unrecognized authentication type". (Error: Failed to authenticate on SMTP server with username "nextcloudadmin" using 0 possible authenticators)" The output of your Nextcloud log in Admin > Logging :. Quick Info: Go through the below information to check email account settings in outlook. The outbound server settings page allows you to enable or disable SMTP access for a server. net Unable to log into mail account over port 587: bad boolean configuration: smtpd_enforce_tls Content of subfolders are not included into mailbox usage when Dovecot is used as POP3/IMAP. First you need to make sure the email address(es) you will be sending from have been authorised for your account in our Control Panel. Ecommerce Prestashop smtp integration error: Failed to authenticate on SMTP server with username using 2 possible authenticators Problem reported by dejan dejanovic - January 30, 2017 at 6:55 AM Submitted. Microsoft Outlook 2010 - Default Port - Setup Guide Important Points. Enter the Gmail details inside SMTP addon (to activate SMTP addon). 8 Username and Password not accepted. I cannot send outgoing emails with the microsoft office 365 email server. com" to "user@anotherdomain. Snmp over IPv4 is ready. If you receive the 220 response you can reach the SMTP server and there is no connectivity problem but if the connection to the server failed see what's wrong in your network. I have tried domain\user, user, user@domain. The server cannot verify the user, but it will try to deliver the message anyway. php file and defined the password in the plugin's settings form. I do not want to stuff features away in another folder so it all works. It seamlessly routes inquiries created via email, web-forms and phone calls into a simple, easy-to-use, multi-user, web-based customer support platform. At last see if the server requires encryption and if yes openssl and other stuff are configured correctly. After searching for long hours I was able to find a solution. * Restart Apple Mail. Make sure that the smtp server set in the mcserver. If SMTP server uses different username and password for authentication, since 1. As I understand you are getting the message-"SMTP Server requires authentication", Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details: What is the product number of your device?. user and mail. The token is acquired during an interactive login, so MFA is supported, and then you can use that token to send email via the Office 365 REST API (and to a lesser extent, Microsoft. Hi ppavuk, Thanks for the reply. Microsoft released the new Version of SharePoint 2019 and within there are several new features like the SMTP Authentication. The mail server responds with 235 Authentication successful. If the reply is 503. Cerberus FTP Server is a secure Windows file server with FTP, FTPS, SFTP, HTTPS, FIPS 140-2 encryption, and Active Directory and LDAP authentication. If the mail server being used requires SMTP authentication, the scan to e-mail process will fail. ** Fixed in v1. For details of SMTP and ESMTP operation, consult RFC 821 (Simple Mail Transfer Protocol) and RFC 1869 (SMTP Service Extensions). * Pull down the Authentication menu and select Password. How to Configure IIS SMTP Server to relay with authentication The following KB article describes how to use Microsoft’s SMTP engine in IIS. It accepted the pw transmitted insecurely as well as encrypted, but it didn't/wouldn't transact with the Kerberos/GSSAPI or NTLM configuration - instead I got an alert in each of those cases: Sending of message failed. Office 365 SMTP Relay User Case: Customer has several SMTP clients in the LAN (P rinter, Health monitor Application) that needs to relay Email through O365. authtype specifies the type of authentication to attempt; it must be one of :login, :plain, and :cram_md5. 0 to Relay Outbound Email to Pepipost: Go to Start > All Programs > Administrative Tools > IIS 6. Abstract This memo defines an extension to the Simple Mail Transfer Protocol (SMTP) service that allows an SMTP client to specify the responsible submitter of an e-mail message. Now, use the testing section to send a test email and make sure the. To add or modify the SMTP User Authentication in GroupMail, click on Tools/Account Manager (or Manage Accounts) and click “Modify” for the sender identity you wish to change. Unfortunately, when I do that and the receipient is a Gmail account, google appends "SPAM-LOW:" to the subject line. Apple Mail 5. I have created a new email address in gmail, which works fine, but now I receive the message "Authentication failed, Invalid Username or Password", when I select "Test Email". Some e-mail providers support more than one port to work around blocks that certain ISP impose. AuthenticationFailedException:535 Authentication Credentials Invalid The same setting in our mail clients and apps is working correctly. There is no need to use an SMTP relay just configure the Outgoing Mailsettings via Central Administration or Powershell. 1 and earlier, see Configure Server Alerts. PHP mail() does not usually allow you to use the external SMTP server and it does not support SMTP authentication. Then, click on the "Delivery Options" tab and check the "Requires Authentication" box under your SMTP server address. com accounts. Problem with sending mail using smtp server in c#. Using saslauthd with PAM. 0 as example). * Restart Apple Mail. Rather than having to create a unique user name and password for your website, users can now use an existing user name and password that they have created elsewhere, including Yahoo!. com POP3 and SMTP Settings for Microsoft. The Microsoft SMTP server does not support any of the perfect forward secrecy suites at the 256 bit encryption level. Email authentication, or validation, is a collection of techniques aimed at providing verifiable information about the origin of email messages by validating the domain ownership of any message transfer agents (MTA) who participated in transferring and possibly modifying a message. SMTPAuthenticationError: (535, 'authorization failed (#5. SMTP Setup and Authenticate issues with Exchange If you have questions about using mojoPortal, you can post them here. Hi, Just experienced the same issue a few minutes ago. They can be set in config/config_local. Also, please make sure SSL is checked in incoming and outgoing ports. useful when you do not have a SMTP relay to use. As Ken mentioned, this appears to be related to user authentication being used. Otherwise, UTL_SMTP uses the first scheme in the list. --CopyMail --ChilkatLog. I cannot get this to work. Failed to authenticate on SMTP server with username "UISuMo" using 2 possible authenticators - Need Help cstplglobal 2017-08-25 09:17:48 UTC #1 Hello All. Any servers that can't be connected to will also display "(Offline)" after the server name. Having your answer selected as the best answer. Once that is properly configured, it really is irrelevant what email address you are sending to, gmail, hotmail, corporate email or otherwise. If the server needs auth try to authenticate on the server by username and password and see if something goes wrong. When it comes to contact form setup, you can use two basic functions - either PHP mail() or SMTP authentication. com on telnet it does not work because authentication is mandatory and for some reason I was not able to make authentication work in Telnet After lots of research and brainstorming I was able to get awesome reliable tool i. hello friends after a long time i'm going to post a simple yet useful post here about SMTP mails, i received few email requests from my readers to post email verification feature in my login and registration tutorial i'll post email verification tutorial after this post this was first step to send emails from localhost and online server as well for that you have to use PHPMailer library, so. In this tutorial you'll learn how to configure Google settings in order to allow Outlook, Thunderbird or other email program, to access your Gmail and bypass the "Google Mail Authentication Failed" problem (Server rejected your login - Google Mail). com) and your password. When you use email in Desk. si:587 -starttls smtp" I get: Verify return code: 20 (unable to get local issuer certificate) So I thing that I need to get a different cert to fix this. net 250-OMTA08. MailMessage(); message. SMTP Authentication is the mechanism by which the clients of an ISP identify themselves to the mail server through which they intend to send. It will also measure the response times for the mail server. Having your post rated as helpful. Enabling SMTP authentication in Postfix. com, these are the POP3 and SMTP server settings to use since IMAP is not currently supported with Outlook. In the account settings dialog, press on More Settings… and then select the Connection tab. Select Basic Authentication; Enter the Mimecast username (full email address) and password using the details of the account created earlier; Click OK to save changes Configuring SMTP Authentication on Exchange 2013 SMTP Connector Before configuring the authentication for your SMTP Connector, a Mimecast local account is required. In case of a “bad sequence”, the server has pulled off its commands in a wrong order, usually because of a broken connection. These are the top rated real world C# (CSharp) examples of MailKit. connect(host, user, password) and then trans. Customer Firewall has necessary Configuration to allow SMTP connections. APPLIES TO: 2013 2016 2019 SharePoint Online When users try to connect to a web application, logs record failed authentication events. System Requirements. Once that is properly configured, it really is irrelevant what email address you are sending to, gmail, hotmail, corporate email or otherwise. The server. The issue is now fixed in incremental update v 1. Linked server connections failing. Given below is program which can be used to send emails using Gmail SMTP server. com failed In response to paddyodog After many hours I managed to get the bigpond POP mail account to work but still no success with telstra IMAP account. 7 and that the printer may (arbitrarily) work and it may not. He shows how to get the fail2ban tool working with Domino. email@gmail. 0, which lets you develop a simplified login experience for your users. ch" using 2 possible. then u have to authenticate by using valid user name and a password. Now it is rejecting the login information. If I press Settings, then select "SMTP Gmail SMTP Server", and "Gmail SMTP Server" (under PRIMARY SERVER--it is the only one shown as "On"), I see: I can't edit anything here. Non Gmail users: make sure that 2 steps authentication is turned off, or if it’s on, generate an app specific password. I can see how this could be confusing. Riskier though since messages from untrusted servers usually end up in the Spam folder. Is there by any chance a mail. The local SMTP service seems to pick up the mail instead of the external smtp server specified. About this Guide; 2. net needs to authenticate means i tried with username and password also. Implementation using Cyrus SASL. com, only SYN. If you are connecting via IMAP, set the following JVM System property:. If you are running SMTP on your Windows Server, you may notice that your SMTP logs contain thousands of lines like below: "91. My mail settings in env file are as below -. Hi, I got a little problem and can't find the solution. The mail server responds with 235 Authentication successful. To set up your Telstra Mail® manually you’ll need to know the server names and port numbers; this includes IMAP and POP configurations. All IMAP servers require authentication, but some SMTP mail servers do not require authentication. Jon Langemak January 12, 2010 January 12, 2010 15 Comments on Using telnet to test authenticated relay in Exchange Many times I find myself wanting to test the SMTP service in Exchange. This page enables you to add text to the beginning of a user name to match the format required by the LDAP server. Click the Forwarding and POP/IMAP tab. 8 Error: authentication failed: authentication failure Use this forum if you have installed hMailServer and want to ask a question related to a production release of hMailServer. Nobella67 (@nobella67). Office 365 SMTP Relay User Case: Customer has several SMTP clients in the LAN (P rinter, Health monitor Application) that needs to relay Email through O365. Failed to authenticate on SMTP server with username " info@yazdimail. If you have an Azure AD app registration with permissions to send mail on behalf of a user, you can get an access token for that user and use it for such purposes. 1x authentication profile. If SMTP server uses different username and password for authentication, since 1. Riskier though since messages from untrusted servers usually end up in the Spam folder. ) Click the 'OK' button 10. The outbound server settings page allows you to enable or disable SMTP access for a server. To fix this issue, you need to: 1) Login to your Gmail account using the web browser 2) Click on this link to enable applications to access your account:. " The SMTP server authentication however works fine from other programs. i'm unable to configure scan to email setup with google free SMTP server ( smtp. com; Port – 465 (SSL required) Port – 587 (TLS required) Use Authentication – Yes; 2.