SMTP error - Unable to connect

compunet2

Well-Known Member
Feb 21, 2003
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SMTP is not working. Users seem to be able to send from Neomail, however when they try to send from Outlook, they get the following error:

Sending reported error (0x80042109): 'Outlook is unable to connect to your outgoing (SMTP) e-mail server"

I tried to telnet to mail.mydomain.com 25, and it failed (port 25 is NOT blocked by my ISP... I confirmed by connecting to another server on port 25. I also flushed the firewall rules. )
 

compunet2

Well-Known Member
Feb 21, 2003
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In addition those who can connect get a relay error... I tried running /scripts/fixrelayd but no luck...
 

dezignguy

Well-Known Member
Sep 26, 2004
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Check local/network firewalls... routers with firewall security set to High, etc.

Use proper SMTP authentication instead of relying on the antirelayd ip address auth.
 

dezignguy

Well-Known Member
Sep 26, 2004
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You could just run another copy of exim on an alternate port and solve that problem.