[Dovecot] Incorrect Responses on deliverable mails with LMTP server

[Thomas Leuxner]

Appears some change between 2.2.6 and 2.2.7 altered the response codes for LMTP user verification probes.

Dovecot 2.2.6:

Nov  2 15:50:48 spectre postfix/qmgr[627]: 3dBjr80wMgz1s: from=<double-bounce at spectre.leuxner.net>, size=271, nrcpt=1 (queue active)
Nov  2 15:50:48 spectre postfix/cleanup[6226]: 3dBjr80xbYz1w: message-id=<20131102145047.2D3C6824147 at sam.dfn-cert.de>
Nov  2 15:50:48 spectre postfix/lmtp[6228]: 3dBjr80wMgz1s: to=<tlx at leuxner.net>, orig_to=<security at leuxner.net>, relay=spectre.leuxner.net[private/dovecot-lmtp], delay=0.03, delays=0/0.01/0.01/0.01, dsn=2.1.5, status=deliverable (250 2.1.5 OK)

Dovecot 2.2.7:

Nov  5 05:24:04 spectre postfix/qmgr[627]: 3dDHnc5J06z1s: from=<double-bounce at spectre.leuxner.net>, size=271, nrcpt=1 (queue active)
Nov  5 05:24:04 spectre postfix/smtpd[2484]: 3dDHnc5KWcz1w: client=web.heise.de[193.99.144.71]
Nov  5 05:24:04 spectre postfix/cleanup[2489]: 3dDHnc5KWcz1w: message-id=<E1VdXxN-0002Gx-0s.01 at web.heise.de>
Nov  5 05:24:04 spectre postfix/lmtp[2491]: 3dDHnc5J06z1s: to=<tlx at leuxner.net>, orig_to=<newsletters at leuxner.net>, relay=spectre.leuxner.net[private/dovecot-lmtp], delay=0.03, delays=0/0.01/0.01/0, dsn=4.4.2, status=undeliverable (lost connection with spectre.leuxner.net[private/dovecot-lmtp] while sending MAIL FROM)

While it still seems to work, mail gets delivered, it looks pretty ugly in the logs.

Regards
Thomas


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