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I have a server with iredmail configured and I can't send email. I receive that message in postfix log:

00C3CC04FA: to=jeanpierre.carvalho@solfut.com, relay=none, delay=4797, delays=4766/0.04/30/0, dsn=4.4.1, status=deferred (connect to mail.solfut.com[80.172.244.187]:25: Connection timed out)

With Gmail happens the same.

Thanks!

Jean-Pierre Carvalho
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1 Answers1

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When you test the remote mail server with 

echo | telnet mail.solfut.com 25

you should get Connected to mail.solfut.com.

If not, then you have a 'simple network issue'.

Try to disable your firewall (or better allow outcoming port TCP 25) in your firewall.

Gilles Quenot
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  • Its a google problem but i cant fix that.. :( – Jean-Pierre Carvalho Mar 17 '18 at 15:04
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    Blocked traffic Google Compute Engine blocks or restricts traffic through all of the following ports/protocols between the Internet and virtual machines, as well as between two virtual machines when traffic is addressed to their public IP addresses (this also includes load-balanced addresses). – Jean-Pierre Carvalho Mar 17 '18 at 15:04