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Issue Problem with Email server

TELLO0815

Basic Pleskian
Hi all,

i have the following problem on Linux Plesk 18.0.32 (was also happen on 31)..

Some emails stuck in the Mail Queue. I tried to setup the sending modus with domain IP - but not helping.

Also I did repair for the mail, but no errors or stuff to fix.

Any idea where to look?

TELLO
 
Last edited:
What is logged to /var/log/maillog when the mail queue is processed and tries to send these mails?
 
Dec 10 12:35:51 xxxxx postfix/smtp[22818]: B5A1F6360F: host mx01.t-online.de[194.25.134.72] refused to talk to me: 554 IP=xxxxx - A problem occurred. (Ask your postmaster for help or to contact [email protected]-online.de to clarify.) (BL)
Dec 10 12:35:51 xxxxx postfix/smtp[22818]: B5A1F6360F: to=<[email protected]>, relay=mx02.t-online.de[194.25.134.9]:25, delay=0.16, delays=0.07/0.01/0.08/0, dsn=4.0.0, status=deferred (host mx02.t-online.de[194.25.134.9] refused to talk to me: 554 IP=xxxxx - A problem occurred. (Ask your postmaster for help or to contact [email protected]-online.de to clarify.) (BL))
 
Your server or part of your network is blacklisted at T-Online. You need to ask then to remove it from their blacklist. Simply write to the contact mail address mentioned in the error entry.
 
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