Question

Unabler to send messages via Postfix

I’m trying to configure a postfix instance for a Discourse install. Everytime I try to send an email I get this error:

Aug 11 10:29:06 basquewaves postfix/smtp[32662]: connect to ASPMX.L.GOOGLE.COM[173.194.66.26]:25: Connection timed out
Aug 11 10:29:06 basquewaves postfix/smtp[32662]: connect to ASPMX.L.GOOGLE.COM[2a00:1450:400c:c03::1a]:25: Network is unreachable

I tried the connection using telnet, and didn’t work neither. Is it possible that the port is closed ?

root@basquewaves:~# telnet aspmx.l.google.com 25
Trying 173.194.66.26...
Trying 2a00:1450:400c:c05::1a...
telnet: Unable to connect to remote host: Network is unreachable

Thanks in advance


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Fixed, Port 25 was closed by DigitalOcean Fast support helped me to fix that! thanks

It looks like your SMTP port is filtered. Please open up a support ticket and the team will gladly open it for you after verifying your account.

Thanks!