Common Issues:

I need help to setup my email account.

I have issues sending mails out to my recipients / I encountered a “We do not relay” error message. (SMTP Authentication)

 



1. Open the Account Settings: In the Thunderbird menu bar, click the Tools menu and select Account Settings.

2. At the bottom of the left pane, click the Account Actions button and select Add Mail Account…

3. Enter your email account details and press Continue.

4. Then press Manual Configuration and edit the server names, ports and IMAP/POP to manually set up the the account.

For Incoming server hostname and port settings, please refer to the values indicated under the below table:

 IcewarpCPanel
Webmail URLhttp://mail.domainname/mail eg mail.abc.com/mailhttps://webmail.domainanme eg https://webmail.abc.com/
Incoming Mail Server Hostnamemail.domainname eg mail.abc.commail.domainname.com
POP3 Port110110 / 995 (SSL)
POP3 SSLNot AvailableAvailable
IMAP Port143143 / 993 (SSL)
IMAP SSLNot AvailableAvailable
Outgoing SMTP Server Hostnamemail.domainname eg mail.abc.commail.domainname eg mail.abc.com
SMTP Port25 / 36625 / 366 / 465 (SSL)
SMTP SSLNot AvailableAvailable
Outgoing SMTP AuthenticationRequiredRequired
UsernameFull Email Address eg john@abc.comFull Email Address eg john@abc.com
Secure Password Authentication (SPA)Do Not CheckDo Not Check

5. Click Re-test to test your manual settings; there should be a quick response indicating the settings are valid. If not, press the Stop button to abort the lookup, then edit the server names, ports and IMAP/POP and click Re-test again.


6. SMTP Authentication
In the Account Settings dialog, in the left pane, select Outgoing Server (SMTP) from the bottom of the list.

Account Settings -> Outgoing Server (SMTP) settings -> Edit selected server.

For Outgoing server hostname and port settings, please refer to the values indicated in the above table.

Security and Authentication settings:
Connection Security: None
Authentication Method: Encrypted Password

7. After saving these changes you should be able to send and receive emails

 

References:
https://support.mozilla.org/en-US/kb/manual-account-configuration
https://support.mozilla.org/en-US/kb/cannot-send-messages