[bug][Pigeonhole 0.4.10] Missing msgid

[Alexander Moisseev]

Pigeonhole 0.4.10 doesn't log msgid for some messages.

Dec 16 09:57:57 mx dovecot: lmtp(us...@example.com): EbLlL2gLcVYCBgEAPZa6/Q: sieve: 
msgid=<20151216065756.be1df1f...@cp.bitrix24.com>: forwarded to 
<us...@example.com>
Dec 16 09:57:57 mx dovecot: lmtp(us...@example.com): EbLlL2gLcVYCBgEAPZa6/Q: 
sieve: stored mail into mailbox 'INBOX'
Dec 16 09:57:57 mx dovecot: lmtp(us...@example.com): FrLlL2gLcVYCBgEAPZa6/Q: sieve: 
msgid=<20151216065756.c77bb1f...@cp.bitrix24.com>: forwarded to 
<us...@example.com>
Dec 16 09:57:57 mx dovecot: lmtp(us...@example.com): FrLlL2gLcVYCBgEAPZa6/Q: sieve: 
msgid=<20151216065756.c77bb1f...@cp.bitrix24.com>: stored mail into mailbox 
'bitrix'