Oct 6 15:51:14 vmd39010 postfix/smtpd[8254]: connect from unknown[45.142.195.5]
Oct 6 15:51:14 vmd39010 plesk_saslauthd[10320]: No such user 'goodman@contaboserver.net' in mail authorization database
Oct 6 15:51:14 vmd39010 plesk_saslauthd[10320]: failed mail authentication attempt for user 'goodman@contaboserver.net' (password len=8)
Oct 6 15:51:14 vmd39010 postfix/smtpd[8254]: warning: unknown[45.142.195.5]: SASL LOGIN authentication failed: authentication failure
Oct 6 15:51:14 vmd39010 postfix/smtpd[8254]: disconnect from unknown[45.142.195.5] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
Oct 6 15:51:16 vmd39010 plesk_saslauthd[10320]: No such user 'amarantus@contaboserver.net' in mail authorization database
Oct 6 15:51:16 vmd39010 plesk_saslauthd[10320]: failed mail authentication attempt for user 'amarantus@contaboserver.net' (password len=10)
Oct 6 15:51:16 vmd39010 postfix/smtpd[10321]: warning: unknown[92.118.38.53]: SASL LOGIN authentication failed: authentication failure
Oct 6 15:51:25 vmd39010 postfix/smtpd[7627]: warning: hostname ip-38-37.ZervDNS does not resolve to address 92.118.38.37: Name or service not known
Oct 6 15:51:25 vmd39010 postfix/smtpd[7627]: connect from unknown[92.118.38.37]
Oct 6 15:51:27 vmd39010 plesk_saslauthd[10320]: No such user 'elmer@contaboserver.net' in mail authorization database
Oct 6 15:51:27 vmd39010 plesk_saslauthd[10320]: failed mail authentication attempt for user 'elmer@contaboserver.net' (password len=6)
Oct 6 15:51:27 vmd39010 postfix/smtpd[7627]: warning: unknown[92.118.38.37]: SASL LOGIN authentication failed: authentication failure
Oct 6 15:51:28 vmd39010 postfix/smtpd[7627]: disconnect from unknown[92.118.38.37] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
Oct 6 15:51:28 vmd39010 postfix/smtpd[10321]: lost connection after AUTH from unknown[92.118.38.53]
Oct 6 15:51:28 vmd39010 postfix/smtpd[10321]: disconnect from unknown[92.118.38.53] ehlo=1 auth=0/1 rset=1 commands=2/3
Oct 6 15:51:58 vmd39010 plesk_saslauthd[10320]: select timeout, exiting
Oct 6 15:51:58 vmd39010 postfix/smtpd[10321]: connect from vmd39010.contaboserver.net[167.86.XXX.XXX]
Oct 6 15:51:58 vmd39010 postfix/smtpd[10321]: 9468E19C0B9B: client=vmd39010.contaboserver.net[167.86.XXX.XXX], sasl_method=LOGIN, sasl_username=ybts@yoxxxx.net
Oct 6 15:51:58 vmd39010 postfix/cleanup[10389]: 9468E19C0B9B: message-id=<20191006135158.10334.1739260505.swift@www.yoxxxx.net>
Oct 6 15:51:58 vmd39010 check-quota[10392]: Starting the check-quota filter...
Oct 6 15:51:58 vmd39010 /usr/lib/plesk-9.0/psa-pc-remote[871]: handlers_stderr: SKIP
Oct 6 15:51:58 vmd39010 /usr/lib/plesk-9.0/psa-pc-remote[871]: SKIP during call 'check-quota' handler
Oct 6 15:51:58 vmd39010 postfix/qmgr[16771]: 9468E19C0B9B: from=<matthewfp2@sho5410.yuji29.kiesag.xyz>, size=1333, nrcpt=1 (queue active)
Oct 6 15:51:58 vmd39010 postfix/smtpd[10321]: disconnect from vmd39010.contaboserver.net[167.86.XXX.XXX] ehlo=1 auth=1 mail=1 rcpt=1 data=1 commands=5
Oct 6 15:51:58 vmd39010 postfix-local[10394]: postfix-local: from=matthewfp2@sho5410.yuji29.kiesag.xyz, to=ybts@yoxxxx.net, dirname=/var/qmail/mailnames
Oct 6 15:51:58 vmd39010 postfix/pipe[10393]: 9468E19C0B9B: to=<ybts@yoxxxx.net>, relay=plesk_virtual, delay=0.21, delays=0.17/0.01/0/0.03, dsn=2.0.0, status=sent (delivered via plesk_virtual service)
Oct 6 15:51:58 vmd39010 postfix/qmgr[16771]: 9468E19C0B9B: removed
Oct 6 15:51:59 vmd39010 postfix/smtpd[8254]: warning: hostname ip-38-37.ZervDNS does not resolve to address 92.118.38.37: Name or service not known
Oct 6 15:51:59 vmd39010 postfix/smtpd[8254]: connect from unknown[92.118.38.37]
Oct 6 15:52:01 vmd39010 plesk_saslauthd[10401]: listen=6, status=5, dbpath='/plesk/passwd.db', keypath='/plesk/passwd_db_key', chroot=1, unprivileged=1
Oct 6 15:52:01 vmd39010 plesk_saslauthd[10401]: privileges set to (109:114) (effective 109:114)
Oct 6 15:52:01 vmd39010 plesk_saslauthd[10401]: No such user 'elodie@contaboserver.net' in mail authorization database
Oct 6 15:52:01 vmd39010 plesk_saslauthd[10401]: failed mail authentication attempt for user 'elodie@contaboserver.net' (password len=7)
Oct 6 15:52:01 vmd39010 postfix/smtpd[8254]: warning: unknown[92.118.38.37]: SASL LOGIN authentication failed: authentication failure
Oct 6 15:52:02 vmd39010 postfix/smtpd[7627]: connect from unknown[45.142.195.5]
Oct 6 15:52:02 vmd39010 postfix/smtpd[8254]: disconnect from unknown[92.118.38.37] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
Oct 6 15:52:02 vmd39010 plesk_saslauthd[10401]: No such user 'castles@contaboserver.net' in mail authorization database
Oct 6 15:52:02 vmd39010 plesk_saslauthd[10401]: failed mail authentication attempt for user 'castles@contaboserver.net' (password len=8)
Oct 6 15:52:02 vmd39010 postfix/smtpd[7627]: warning: unknown[45.142.195.5]: SASL LOGIN authentication failed: authentication failure
Oct 6 15:52:02 vmd39010 postfix/smtpd[7627]: disconnect from unknown[45.142.195.5] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
Oct 6 15:52:32 vmd39010 plesk_saslauthd[10401]: select timeout, exiting
Oct 6 15:52:33 vmd39010 postfix/smtpd[8254]: warning: hostname ip-38-37.ZervDNS does not resolve to address 92.118.38.37: Name or service not known