/var/log/mail.log

Oct  8 18:28:11 vm7566 postfix/smtpd[2516]: warning: hostname host.226.ipoe1.subnets.khb.ttkdv.ru does not resolve to address 5.8.200.226: Name or service not known
Oct  8 18:28:11 vm7566 postfix/smtpd[2516]: connect from unknown[5.8.200.226]
Oct  8 18:28:11 vm7566 postfix/smtpd[2522]: warning: hostname host.226.ipoe1.subnets.khb.ttkdv.ru does not resolve to address 5.8.200.226: Name or service not known
Oct  8 18:28:11 vm7566 postfix/smtpd[2522]: connect from unknown[5.8.200.226]
Oct  8 18:28:11 vm7566 postfix/smtpd[2516]: improper command pipelining after EHLO from unknown[5.8.200.226]: QUIT\r\n
Oct  8 18:28:11 vm7566 postfix/smtpd[2516]: disconnect from unknown[5.8.200.226]
Oct  8 18:28:11 vm7566 postfix/smtpd[2522]: improper command pipelining after EHLO from unknown[5.8.200.226]: QUIT\r\n
Oct  8 18:28:11 vm7566 postfix/smtpd[2522]: disconnect from unknown[5.8.200.226]
Oct  8 18:29:14 vm7566 postfix/smtpd[2516]: connect from f349.i.mail.ru[217.69.140.245]
Oct  8 18:29:24 vm7566 postfix/smtpd[2516]: 6F4F442C22: client=f349.i.mail.ru[217.69.140.245]
Oct  8 18:29:24 vm7566 postfix/cleanup[2540]: 6F4F442C22: message-id=<1412778554.202661981@f349.i.mail.ru>
Oct  8 18:29:24 vm7566 postfix/qmgr[2430]: 6F4F442C22: from=<hit0k@list.ru>, size=1997, nrcpt=1 (queue active)
Oct  8 18:29:24 vm7566 postfix/smtpd[2516]: disconnect from f349.i.mail.ru[217.69.140.245]
Oct  8 18:29:24 vm7566 postfix/pipe[2543]: 6F4F442C22: to=<HiT0k@vm7566.vps.agava.net>, relay=dovecot, delay=9.9, delays=9.8/0.01/0/0.14, dsn=2.0.0, status=sent (delivered via dovecot service)
Oct  8 18:29:24 vm7566 postfix/qmgr[2430]: 6F4F442C22: removed
Oct  8 18:31:43 vm7566 postfix/smtpd[2549]: connect from f349.i.mail.ru[217.69.140.245]
Oct  8 18:31:43 vm7566 postfix/smtpd[2549]: 926E9405DB: client=f349.i.mail.ru[217.69.140.245]
Oct  8 18:31:43 vm7566 postfix/cleanup[2554]: 926E9405DB: message-id=<1412778702.999432848@f349.i.mail.ru>
Oct  8 18:31:43 vm7566 postfix/qmgr[2430]: 926E9405DB: from=<hit0k@list.ru>, size=2009, nrcpt=1 (queue active)
Oct  8 18:31:43 vm7566 postfix/smtpd[2549]: disconnect from f349.i.mail.ru[217.69.140.245]
Oct  8 18:31:43 vm7566 postfix/pipe[2556]: 926E9405DB: to=<HiT0k@vm7566.vps.agava.net>, relay=dovecot, delay=0.33, delays=0.24/0/0/0.09, dsn=2.0.0, status=sent (delivered via dovecot service)
Oct  8 18:31:43 vm7566 postfix/qmgr[2430]: 926E9405DB: removed
Oct  8 18:31:52 vm7566 postfix/smtpd[2549]: connect from f85.i.mail.ru[94.100.185.11]
Oct  8 18:31:55 vm7566 postfix/smtpd[2549]: 32072405DB: client=f85.i.mail.ru[94.100.185.11]
Oct  8 18:31:55 vm7566 postfix/cleanup[2554]: 32072405DB: message-id=<1412778711.117902667@f85.i.mail.ru>
Oct  8 18:31:55 vm7566 postfix/qmgr[2430]: 32072405DB: from=<hit0k@list.ru>, size=2004, nrcpt=1 (queue active)
Oct  8 18:31:55 vm7566 postfix/smtpd[2549]: disconnect from f85.i.mail.ru[94.100.185.11]
Oct  8 18:31:55 vm7566 postfix/pipe[2556]: 32072405DB: to=<HiT0k@vm7566.vps.agava.net>, relay=dovecot, delay=3.1, delays=3/0/0/0.09, dsn=2.0.0, status=sent (delivered via dovecot service)
Oct  8 18:31:55 vm7566 postfix/qmgr[2430]: 32072405DB: removed