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Old 12th August 2012, 11:56
Wsbs9GC Wsbs9GC is offline
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Default Sending Mail Via Postfix Woes

Hello there. I recently installed ubuntu and ispconfig3 following one of those "perfect server" guides. Everything appeared to go smoothly. However, when connecting to my email accounts on the server through thunderbird, I can receive email but cannot send email. I can send and receive email via the webmail webpage. Postfix is operating on port 587 as I'm on comcast and that's what they require for outgoing mail. The error that I get in /var/log/mail.log:
Quote:
Aug 12 05:40:01 www postfix/smtpd[27096]: connect from localhost.localdomain[127.0.0.1]
Aug 12 05:40:01 www dovecot: imap-login: Disconnected (no auth attempts): rip=127.0.0.1, lip=127.0.0.1, secured
Aug 12 05:40:01 www dovecot: pop3-login: Disconnected (no auth attempts): rip=127.0.0.1, lip=127.0.0.1, secured
Aug 12 05:40:01 www postfix/smtpd[27096]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Aug 12 05:40:01 www postfix/smtpd[27096]: disconnect from localhost.localdomain[127.0.0.1]
Aug 12 05:45:01 www dovecot: imap-login: Disconnected (no auth attempts): rip=127.0.0.1, lip=127.0.0.1, secured
Aug 12 05:45:01 www postfix/smtpd[27164]: connect from localhost.localdomain[127.0.0.1]
Aug 12 05:45:01 www dovecot: pop3-login: Disconnected (no auth attempts): rip=127.0.0.1, lip=127.0.0.1, secured
Aug 12 05:45:01 www postfix/smtpd[27164]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Aug 12 05:45:01 www postfix/smtpd[27164]: disconnect from localhost.localdomain[127.0.0.1]
and the error that I get in thunderbird:
Quote:
Sending of message failed.
The message could not be sent because the connection to SMTP server mail.domain.com [yes, this has my real domain not a dummy] was lost in the middle of the transaction. Try again or contact your network administrator.
I imagine that it's a misconfiguration of dovecot or postfix but as I'm new to linux and system administration, I have no clue regarding how to fix the issue or how to go about troubleshooting the issue.

Any advice on the issue is greatly appreciated.
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