Hello OTRS community,
I hope someone here can help me.
The situation:
I'm using OTRS6 on a CentOS7 machine and Port 587(TCP) is open.
I'm getting mails via IMAPS from Office365 and everything works fine.
Sending mails inside the company works too.
Now, I'm trying to send mails to external mail adresses like gmail.com or yahoo.com but no mails arrive.
I also tried another email service (web.de) but this way fails aswell.
My configuration.
Are there any manuals or do you have suggestions?
So I could figure out whats going wrong?
Thanks alot and best regards
knxvll
SMTP Problems (Outbound)
Moderator: crythias
SMTP Problems (Outbound)
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Re: SMTP Problems (Outbound)
update SendmailNotificationEnvelopeFrom with some sort of email address.
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Re: SMTP Problems (Outbound)
I did it, but it still doesn't work.
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Re: SMTP Problems (Outbound)
On the OTRS box, check mailq
check /var/log/mail.log or /var/log/maillog
telnet youremailserver 587
make sure it connects
verify firewall and ISP allows outbound port 587 from your OTRS box.
Check your smarthost logs for traffic.
Check your sendmail or postfix for ability to send from the command line.
Check your OS firewall for blocking outbound port 587
check /var/log/mail.log or /var/log/maillog
telnet youremailserver 587
make sure it connects
verify firewall and ISP allows outbound port 587 from your OTRS box.
Check your smarthost logs for traffic.
Check your sendmail or postfix for ability to send from the command line.
Check your OS firewall for blocking outbound port 587
OTRS 6.0.x (private/testing/public) on Linux with MySQL database.
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Re: SMTP Problems (Outbound)
And check the communication log. Maybe there's some insight...
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