Could not received any letters.

[Wang Penghui]

Hi lists:

In the past two days, i haven't recevied any emails. So i check the
email server log. And found the follow lines:

Jun 12 00:55:27 hackles postfix/smtpd[21614]: disconnect from
lists.gentoo.org[140.105.134.102]
Jun 12 00:59:26 hackles postfix/local[20553]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:26 hackles postfix/local[20553]: warning: private/lmtp
socket: malformed response
Jun 12 00:59:30 hackles postfix/local[2251]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:30 hackles postfix/local[2251]: warning: private/lmtp
socket: malformed response
Jun 12 00:59:30 hackles postfix/local[2254]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:30 hackles postfix/local[2254]: warning: private/lmtp
socket: malformed response
Jun 12 00:59:31 hackles postfix/local[2258]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:31 hackles postfix/local[2258]: warning: private/lmtp
socket: malformed response
Jun 12 00:59:31 hackles postfix/local[2262]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:31 hackles postfix/local[2262]: warning: private/lmtp
socket: malformed response
Jun 12 00:59:31 hackles postfix/local[2264]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:31 hackles postfix/local[2264]: warning: private/lmtp
socket: malformed response
Jun 12 00:59:32 hackles postfix/local[2267]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 00:59:32 hackles postfix/local[2267]: warning: private/lmtp
socket: malformed response
Jun 12 01:00:08 hackles postfix/local[2469]: warning: timeout on
private/lmtp socket while reading input attribute name
Jun 12 01:00:08 hackles postfix/local[2469]: warning: private/lmtp
socket: malformed response
Jun 12 01:00:29 hackles postfix/qmgr[9106]: 99AAC501F3: skipped, still
being delivered
Jun 12 01:00:29 hackles postfix/qmgr[9106]: 583E6501D7: skipped, still
being delivered
Jun 12 01:00:29 hackles postfix/qmgr[9106]: AD784501C0: skipped, still
being delivered
Jun 12 01:00:29 hackles postfix/qmgr[9106]: E2EF8501D6: skipped, still
being delivered
Jun 12 01:00:29 hackles postfix/qmgr[9106]: 3DC09501F4: skipped, still
being delivered
Jun 12 01:00:29 hackles postfix/qmgr[9106]: 0A7CC501F9: skipped, still
being delivered
Jun 12 01:00:30 hackles postfix/qmgr[9106]: DDBB0501FB: skipped, still
being delivered
Jun 12 01:00:30 hackles postfix/qmgr[9106]: 2F8C0501BE: skipped, still
being delivered


I run the command "mailq", and there are thousands of letters in the
quese, then i restart the mail server, and the letters has delivered to
local mailboxes one by one.

Then i check the syslog. And found the follow problems:

Jun 12 11:05:59 hackles lmtpunix[19752]: DBERROR: init() on berkeley
Jun 12 11:05:59 hackles lmtpunix[19752]: executed
Jun 12 11:05:59 hackles lmtpunix[19752]: DBERROR db4: environment not
yet opened
Jun 12 11:05:59 hackles lmtpunix[19752]: DBERROR:
opening /var/imap/deliver.db: Invalid argument
Jun 12 11:05:59 hackles lmtpunix[19752]: DBERROR:
opening /var/imap/deliver.db: cyrusdb error
Jun 12 11:05:59 hackles lmtpunix[19752]: FATAL: lmtpd: unable to init
duplicate delivery database
Jun 12 11:05:59 hackles master[17454]: process 19752 exited, status 75
Jun 12 11:05:59 hackles master[17454]: service lmtpunix pid 19752 in
READY state: terminated abnormally
Jun 12 11:05:59 hackles master[19753]: about to
exec /usr/lib/cyrus/lmtpd
Jun 12 11:05:59 hackles lmtpunix[19753]: DBERROR db4: fatal region error
detected; run recovery
Jun 12 11:05:59 hackles lmtpunix[19753]: DBERROR: dbenv->open
'/var/imap/db' failed: DB_RUNRECOVERY: Fatal error, run database
recovery

It because the db.
But i don't know how to solve this problem excatly.

Could anybody tell me how to improve my email system?

Thanks in advance!

Wang Penghui

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