user2557649
user2557649

Reputation: 83

Deferred: Connection timed out with mail.example.com (With Sendmail)

I have configured the sendmail on ubuntu server. Mail are going to all other emails and domains perfectly. But with one domain I am getting the following error, Please suggest:

Nov 8 09:24:24 ABCWEB02 sm-mta[471]: uA894lAY000402: to=, ctladdr= (33/33), delay=00:19:25, xdelay=00:09:06, mailer=esmtp, pri=210473, relay=mail.example.com. [44.44.444.44], dsn=4.0.0, stat=Deferred: Connection timed out with mail.example.com.

Upvotes: 0

Views: 9005

Answers (1)

user2557649
user2557649

Reputation: 83

The issue is resolved as following

Check you telnet connection on 25 port (telnet was not getting connected as firewall rules modified for 25 port)

I was using wrong SMTP credentials.

Upvotes: 1

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