SiS does not work
Ачилов Рашид Нурмухамедович
AchilovRN at granch.ru
Thu Aug 6 11:15:05 UTC 2015
How do you do.
I have tried to use SiS to deduplicate attachments in mail storage.
Unsuccesful. When goes mail with reasonable size, and SiS try to start,
I have receive error, when this mail must be delivered for group of
receivers (i.e. through aliases).
Below is error log, valuable parts of mail addresses masked by X and Y chars
Aug 6 16:11:12 mailsrv dovecot: lmtp(xxxxx): AL1SNrkyw1VPBAAABJcpmA:
msgid=<2015080614471325760993 at chinacoalchem.com> (from
zsy at chinacoalchem.com): saved mail to INBOX
This receiver has received mail. But next one does not. And to receive I
must restart _sendmail_ (not dovecot!). I must restart sendmail as many
times as there were recipients in envelope.
Aug 6 16:11:12 mailsrv dovecot: lmtp(yyyy): Error:
read(/usr/share/smbusers/xxxxx/mail/attachments
/e4/3d/e43db6e8af6fb1df4a08f9c1f3f31e93e61781c4c1d2395e04dd96a583aa-01bd5236b932c3554f04000004972998[base64
:19 b/l]) failed: Stream is smaller than expected (0 < 4080128)
Aug 6 16:11:12 mailsrv dovecot: lmtp(yyyy): Error:
read(attachments-connector(/usr/share/smbusers/xxxxx/mail/storage/m.35))
failed: read(/usr/share/smbusers/xxxxx/mail/attachments/e4/3d/e43db6e8af6f
b1df4a08f9c1f3f31e93e61781c4c1d2395e04dd96a583aa-01bd5236b932c3554f04000004972998[base64:19
b/l]) failed: Stream is smaller than expected (0 < 4080128)
Aug 6 16:11:12 mailsrv dovecot: lmtp(yyyy): Error: copy:
i_stream_read(attachments-connector(/usr/share/smbusers/xxxxx/mail/storage/m.35))
failed: read(/usr/share/smbusers/xxxxx/mail/attachments/e4/
3d/e43db6e8af6fb1df4a08f9c1f3f31e93e61781c4c1d2395e04dd96a583aa-01bd5236b932c3554f04000004972998[base64:19
b/l]) failed: Stream is smaller than expected (0 < 4080128)
Aug 6 16:11:12 mailsrv dovecot: lmtp(yyyy): Error:
read(attachments-connector(/usr/share/smbusers/xxxxx/mail/storage/m.35))
failed: read(/usr/share/smbusers/xxxxx/mail/attachments/e4/3d/e43db6e8af6f
b1df4a08f9c1f3f31e93e61781c4c1d2395e04dd96a583aa-01bd5236b932c3554f04000004972998[base64:19
b/l]) failed: Stream is smaller than expected (0 < 4080128) (uid=0,
box=INBOX)
Aug 6 16:11:12 mailsrv dovecot: lmtp(yyyy): AL1SNrkyw1VPBAAABJcpmA:
msgid=<2015080614471325760993 at chinacoalchem.com> (from
zsy at chinacoalchem.com): save failed to INBOX: Internal error occurred.
Refer to server log for more information. [2015-08-06 16:11:12]
Why LMTP, when try to deliver mail to local user yyyy tries to look up
into a home directory of local user xxxxx? All these and similar home
directories has a 'mail' subdir, which keeps mail and rights on this
subdir is 0700.
To avoid this completely misunderstood occassion, I have temporary set
mail_attachment_min_size to 2048kb - but now I cannot receive advantage
from SiS.
--
С Уважением.
Ачилов Рашид Нурмухамедович (AchilovRN at granch.ru)
Главный специалист по защите информации
ООО НПФ "Гранч", тел: +7 (383) 233-35-12, доб. 107
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