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Plesk Server – qmail not sending mails

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On a Plesk Virtual Dedicated Server, qmail is not sending out emails.
I try sending few emails from command prompt with “mail” command. Everything went well, but no mails reached destination. I checked status of qmail, it says stoped, i tried to start, but it won’t start.
# /etc/init.d/qmail status
qmail is stopped
# /etc/init.d/qmail start
Starting qmail:                                            [  OK  ]
# /etc/init.d/qmail status
qmail is stopped
I checked running qmail processes.
# ps aux|grep qmail
qmails    6819  0.0  0.0  1332  332 pts/0    S    02:50   0:00 qmail-send
qmaill    6882  0.0  0.0  1296  404 pts/0    S    02:50   0:00 splogger qmail
root      6912  0.0  0.0  1288  296 pts/0    S    02:50   0:00 qmail-lspawn ./Maildir/
qmailr    6948  0.0  0.0  1292  300 pts/0    S    02:50   0:00 qmail-rspawn
qmailq    6980  0.0  0.0  1280  288 pts/0    S    02:50   0:00 qmail-clean
root      9666  0.0  0.0  1412  484 pts/1    S    03:18   0:00 grep qmail
I checked qmail que, there was no emails in the que
# /var/qmail/bin/qmail-qstat
messages in queue: 0
messages in queue but not yet preprocessed: 0
I checked qmail log file
# tail /usr/local/psa/var/log/maillog
But there was no entry for sending email or any error.
On a search, i found Plesk 7.5.4. have some problem with qmail starting

I checked the Plesk version found it is same one
# cat /usr/local/psa/version
This was a bug with particular version of Plesk, in that files smtp_psa and smtps_psa get renamed to smtp.psa and smtps.psa, to fix it just rename the files and restarted xinetd.

cd /etc/xinetd.d
mv smtp.psa  smtp_psa
mv smtps.psa smtps_psa
/etc/rc.d/init.d/xinetd restart
Now the qmail start working.
I send a mail to my gmail account, i got it with out any problem, then send a mail to my email account, it won’t go, on checking the server log i found
F=<[email protected]> rejected RCPT : Sender verify failed
2006-03-18 15:42:12 unexpected disconnection while reading SMTP command from ( []
The problem was the the hostname of qmail is invalid, so i changed the hostname of the server in
and restarted qmail. Now everything start working.

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