Oct 3 00:46:19 plesk postfix/smtpd[302526]: warning: hostname broadband-37.204-22-234.ip.moscow.rt. ...
show moreOct 3 00:46:19 plesk postfix/smtpd[302526]: warning: hostname broadband-37.204-22-234.ip.moscow.rt.ru does not resolve to address 37.204.22.234: Name or service not known
Oct 3 00:46:22 plesk postfix/smtpd[302526]: warning: unknown[37.204.22.234]: SASL LOGIN authentication failed: authentication failure
Oct 3 00:46:22 plesk postfix/smtpd[302526]: disconnect from unknown[37.204.22.234] ehlo=1 auth=0/1 commands=1/2
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Oct 3 00:46:09 plesk postfix/smtpd[302526]: warning: hostname 136-25-204-79.cab.webpass.net does no ...
show moreOct 3 00:46:09 plesk postfix/smtpd[302526]: warning: hostname 136-25-204-79.cab.webpass.net does not resolve to address 136.25.204.79: Name or service not known
Oct 3 00:46:17 plesk postfix/smtpd[302526]: warning: unknown[136.25.204.79]: SASL LOGIN authentication failed: authentication failure
Oct 3 00:46:18 plesk postfix/smtpd[302526]: disconnect from unknown[136.25.204.79] ehlo=1 auth=0/1 commands=1/2
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Oct 3 00:43:43 plesk postfix/smtpd[302292]: warning: hostname host-109-174-104-74.bb-nsk.sib.mts.ru ...
show moreOct 3 00:43:43 plesk postfix/smtpd[302292]: warning: hostname host-109-174-104-74.bb-nsk.sib.mts.ru does not resolve to address 109.174.104.74: Name or service not known
Oct 3 00:43:47 plesk postfix/smtpd[302292]: warning: unknown[109.174.104.74]: SASL LOGIN authentication failed: authentication failure
Oct 3 00:43:47 plesk postfix/smtpd[302292]: disconnect from unknown[109.174.104.74] ehlo=1 auth=0/1 commands=1/2
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Oct 3 00:16:33 plesk postfix/smtpd[296478]: warning: hostname ChernyshevskayaRB-gw.transtelecom.net ...
show moreOct 3 00:16:33 plesk postfix/smtpd[296478]: warning: hostname ChernyshevskayaRB-gw.transtelecom.net does not resolve to address 217.150.37.249: Name or service not known
Oct 3 00:16:36 plesk postfix/smtpd[296478]: warning: unknown[217.150.37.249]: SASL LOGIN authentication failed: authentication failure
Oct 3 00:16:37 plesk postfix/smtpd[296478]: disconnect from unknown[217.150.37.249] ehlo=1 auth=0/1 commands=1/2
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Oct 3 00:05:19 plesk postfix/smtpd[295801]: warning: hostname 2-55-100-104.orange.net.il does not r ...
show moreOct 3 00:05:19 plesk postfix/smtpd[295801]: warning: hostname 2-55-100-104.orange.net.il does not resolve to address 2.55.100.104: Name or service not known
Oct 3 00:05:23 plesk postfix/smtpd[295801]: warning: unknown[2.55.100.104]: SASL LOGIN authentication failed: authentication failure
Oct 3 00:05:24 plesk postfix/smtpd[295801]: disconnect from unknown[2.55.100.104] ehlo=1 auth=0/1 commands=1/2
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Oct 2 23:58:40 plesk postfix/smtpd[293472]: warning: hostname 85-19-195-12.telia-isp.no does not re ...
show moreOct 2 23:58:40 plesk postfix/smtpd[293472]: warning: hostname 85-19-195-12.telia-isp.no does not resolve to address 85.19.195.12: Name or service not known
Oct 2 23:58:42 plesk postfix/smtpd[293472]: warning: unknown[85.19.195.12]: SASL LOGIN authentication failed: authentication failure
Oct 2 23:58:43 plesk postfix/smtpd[293472]: disconnect from unknown[85.19.195.12] ehlo=1 auth=0/1 commands=1/2
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Oct 2 23:52:47 plesk postfix/smtpd[293290]: warning: hostname broadband.actcorp.in does not resolve ...
show moreOct 2 23:52:47 plesk postfix/smtpd[293290]: warning: hostname broadband.actcorp.in does not resolve to address 106.51.30.57
Oct 2 23:52:50 plesk postfix/smtpd[293290]: warning: unknown[106.51.30.57]: SASL LOGIN authentication failed: authentication failure
Oct 2 23:52:50 plesk postfix/smtpd[293290]: disconnect from unknown[106.51.30.57] ehlo=1 auth=0/1 commands=1/2
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Oct 2 23:48:16 plesk postfix/smtpd[292976]: warning: hostname syn-024-031-035-119.inf.spectrum.com ...
show moreOct 2 23:48:16 plesk postfix/smtpd[292976]: warning: hostname syn-024-031-035-119.inf.spectrum.com does not resolve to address 24.31.35.119: Name or service not known
Oct 2 23:48:20 plesk postfix/smtpd[292976]: warning: unknown[24.31.35.119]: SASL LOGIN authentication failed: authentication failure
Oct 2 23:48:22 plesk postfix/smtpd[292976]: disconnect from unknown[24.31.35.119] ehlo=1 auth=0/1 commands=1/2
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Oct 2 23:33:13 plesk postfix/smtpd[292052]: warning: hostname 200-153-86-250.customer.tdatabrasil.n ...
show moreOct 2 23:33:13 plesk postfix/smtpd[292052]: warning: hostname 200-153-86-250.customer.tdatabrasil.net.br does not resolve to address 200.153.86.250: Name or service not known
Oct 2 23:33:17 plesk postfix/smtpd[292052]: warning: unknown[200.153.86.250]: SASL LOGIN authentication failed: authentication failure
Oct 2 23:33:18 plesk postfix/smtpd[292052]: disconnect from unknown[200.153.86.250] ehlo=1 auth=0/1 commands=1/2
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