Feb  2 16:42:39 server postfix/smtpd[29994]: connect from forward5m.cmail.yandex.net[5.255.216.23]
Feb  2 16:42:39 server postfix/smtpd[29994]: 89BE7C49FD: client=forward5m.cmail.yandex.net[5.255.216.23]
Feb  2 16:42:39 server postfix/cleanup[29998]: 89BE7C49FD: message-id=<4550151486042958@web23g.yandex.ru>
Feb  2 16:42:39 server postfix/qmgr[29240]: 89BE7C49FD: from=<dart@domain.ru>, size=77443, nrcpt=1 (queue active)
Feb  2 16:42:39 server postfix/smtpd[29994]: disconnect from forward5m.cmail.yandex.net[5.255.216.23] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Feb  2 16:42:39 server postfix/virtual[29999]: warning: recipient user1@sub.domain.ru: not found in virtual_uid_maps
Feb  2 16:42:39 server postfix/virtual[29999]: 89BE7C49FD: to=<user1@sub.domain.ru>, relay=virtual, delay=0.06, delays=0.03/0.01/0/0.01, dsn=4.3.5, status=deferred (mail system configuration error)
Feb  2 16:45:31 server postfix/qmgr[29240]: A6C78C49F5: from=<dart@domain.ru>, size=76780, nrcpt=1 (queue active)
Feb  2 16:45:31 server postfix/virtual[30040]: warning: recipient user1@sub.domain.ru: not found in virtual_uid_maps
Feb  2 16:45:31 server postfix/virtual[30040]: A6C78C49F5: to=<user1@sub.domain.ru>, relay=virtual, delay=2388, delays=2388/0.02/0/0.01, dsn=4.3.5, status=deferred (mail system configuration error)
Feb  2 16:45:59 server postfix/anvil[29996]: statistics: max connection rate 1/60s for (smtp:5.255.216.23) at Feb  2 16:42:39
Feb  2 16:45:59 server postfix/anvil[29996]: statistics: max connection count 1 for (smtp:5.255.216.23) at Feb  2 16:42:39
Feb  2 16:45:59 server postfix/anvil[29996]: statistics: max cache size 1 at Feb  2 16:42:39
Feb  2 16:50:31 server postfix/qmgr[29240]: 89BE7C49FD: from=<dart@domain.ru>, size=77443, nrcpt=1 (queue active)
Feb  2 16:50:31 server postfix/virtual[30143]: warning: recipient user1@sub.domain.ru: not found in virtual_uid_maps
Feb  2 16:50:31 server postfix/virtual[30143]: 89BE7C49FD: to=<user1@sub.domain.ru>, relay=virtual, delay=472, delays=472/0.02/0/0.04, dsn=4.3.5, status=deferred (mail system configuration error)
Feb  2 16:50:38 server postfix/smtpd[30145]: connect from forward8o.cmail.yandex.net[37.9.109.55]
Feb  2 16:50:38 server postfix/smtpd[30145]: E7F09C49FF: client=forward8o.cmail.yandex.net[37.9.109.55]
Feb  2 16:50:39 server postfix/cleanup[30147]: E7F09C49FF: message-id=<4542131486042890@web23g.yandex.ru>
Feb  2 16:50:39 server postfix/qmgr[29240]: E7F09C49FF: from=<dart@domain.ru>, size=1157, nrcpt=1 (queue active)
Feb  2 16:50:39 server postfix/virtual[30143]: warning: recipient user1@sub.domain.ru: not found in virtual_uid_maps
Feb  2 16:50:39 server postfix/virtual[30143]: E7F09C49FF: to=<user1@sub.domain.ru>, relay=virtual, delay=0.63, delays=0.62/0/0/0.01, dsn=4.3.5, status=deferred (mail system configuration error)
Feb  2 16:50:39 server postfix/smtpd[30145]: disconnect from forward8o.cmail.yandex.net[37.9.109.55] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7