Iirc,

the message_id is increased once to store the message below the virtual 
__internal_delivery__ user, and increased once more when this first 
virtual message is copied into the final recipient's mailbox. If the 
number of recipients increases, so does the message id sequence.




Uwe Kiewel wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hi,
> 
> just a question of understanding:    :-)
> Why is lmtpd increasing the message id by 2?
> 
> Thanks,
>       Uwe
> 
> Apr 20 22:04:36 dedi0031 dbmail/lmtpd[10206]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10448,
> size=6289 is inserted
> Apr 20 22:04:44 dedi0031 dbmail/lmtpd[10206]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10450,
> size=5241 is inserted
> Apr 20 22:05:05 dedi0031 dbmail/lmtpd[10206]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10452,
> size=4353 is inserted
> Apr 20 22:05:17 dedi0031 dbmail/lmtpd[10206]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10454,
> size=2840 is inserted
> Apr 20 22:06:05 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10456,
> size=5043 is inserted
> Apr 20 22:06:22 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10458,
> size=2201 is inserted
> Apr 20 22:07:02 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10460,
> size=6349 is inserted
> Apr 20 22:07:39 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10462,
> size=4792 is inserted
> Apr 20 22:07:46 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10464,
> size=3127 is inserted
> Apr 20 22:08:33 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10466,
> size=2651 is inserted
> Apr 20 22:08:43 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10468,
> size=3048 is inserted
> Apr 20 22:08:50 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10470,
> size=3243 is inserted
> Apr 20 22:11:07 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10472,
> size=4955 is inserted
> Apr 20 22:12:14 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10474,
> size=2958 is inserted
> Apr 20 22:12:38 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10476,
> size=5041 is inserted
> Apr 20 22:12:50 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10478,
> size=6899 is inserted
> Apr 20 22:13:03 dedi0031 dbmail/lmtpd[13443]: [0x8052960]
> Notice:[message] sort_deliver_to_mailbox(+2200): message id=10480,
> size=5508 is inserted
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> Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org
> 
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> -----END PGP SIGNATURE-----
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> Dbmail-dev mailing list
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-- 
   ________________________________________________________________
   Paul Stevens                                      paul at nfg.nl
   NET FACILITIES GROUP                     GPG/PGP: 1024D/11F8CD31
   The Netherlands________________________________http://www.nfg.nl
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