LMTP error in newest Dovecot

After upgrading from Dovecot 2.2.29.1 to 2.2.30.1, one of my users email account have this error in the log (I have masked the email address and user):

Code:

2017-06-05 17:23:20 Received from [email protected] U=user-removed P=local S=3314 [email protected] T="subject-removed"

2017-06-05 17:23:20 [email protected] R=virtual_user T=dovecot_lmtp_udp defer (-44): LMTP error after RCPT TO:<[email protected]>: 451 4.3.0 <[email protected]> Internal error occurred. Refer to server log for more information.

The email is sent from a contact form on the site, and the email address is local on the same server. When it have this error, it just stays in email queue, however as soon as I manually hit "Retry", then it works and is sent.

So far this only happen to this one user. I have not seen it on any other email addresses. Have anybody else seen this happen? I don't find anything else in the logs.

By the way I am ruing the newest exim.conf and dovecot.conf.

برچسب: نویسنده: ایمان اصلاحی تاريخ: سه شنبه 16 خرداد 1396 ساعت: 2:26

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LMTP error in newest Dovecot

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