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    Can't use mail server after update to Plesk 12.5.30

    Hi, I've the problem that I can't use my mail server. Every time when I will send a message I got the error: SMTP Fehler: [451] 4.7.1 Service unavailable - try again later And I can't receive any mails. I read several threads about this problem but nothing helps me. And I am not able to send...
    • Domekologe
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    • 12.5.30 dovecot imap mail mail server mailserver plesk plesk 12.5.30 smtp error
    • Replies: 7
    • Forum: Plesk 12.x for Linux
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