2.2.36 (not migrated to 2.3 yet) reports such problem:
> Nov 13 15:50:58 mbox dovecot: lmtp(xxx): session=<ACYRCtLk6ltiEQAALZVUYQ>, > Error: open(/var/mail/xxx/mailboxes.lock1bf6ad16b7b8b703) failed: Disk quota > exceeded > Nov 13 15:50:58 mbox dovecot: lmtp(xxx): session=<ACYRCtLk6ltiEQAALZVUYQ>, > Error: Couldn't create mailbox list lock /var/mail/xxx/mailboxes.lock: > file_create_locked(/var/mail/xxx/mailboxes.lock) failed: safe_mkstemp(/var > /mail/xxx/mailboxes.lock) failed: Disk quota exceeded > Nov 13 15:50:58 mbox dovecot: lmtp(awypior): > session=<ACYRCtLk6ltiEQAALZVUYQ>, > msgid=<db663455902e1b3faa53f344dc353870@xxx>: save failed to open mailbox > INBOX.Spam: Internal error occurred. Refer to server log for more informat > ion. [2018-11-13 15:50:58] Looks a bug to me since disk exceeded is not a internal error. Shouldn't lmtp return over quota info instead of error? -- Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )
