aaPanel_Kern
I did this, but it still doesn't work. Apparently sending through port 465 isn't working, even though it's open in the firewall. It keeps giving an SSL error in the Postfix log.
Oct 23 23:30:36 vmi1602821 dovecot: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46 (no auth attempts in 1 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46, session=<omKYyS8lXMHJWcZy>
Oct 23 23:30:36 vmi1602821 postfix/smtp[92444]: BBBEED206DB: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=131447, delays=131144/1.8/301/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:30:36 vmi1602821 postfix/smtp[92448]: 6BF24D20A5E: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=130846, delays=130543/1.9/301/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:30:36 vmi1602821 postfix/smtp[92465]: 927C7D207F0: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=130371, delays=130070/1/300/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:30:37 vmi1602821 dovecot: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46 (no auth attempts in 1 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46, session=<62umyS8lXsHJWcZy>
Oct 23 23:30:37 vmi1602821 dovecot: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46 (no auth attempts in 0 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46, session=<fm+vyS8lYMHJWcZy>
Oct 23 23:30:38 vmi1602821 dovecot: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46 (no auth attempts in 1 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46, session=<igq5yS8lYsHJWcZy>
Oct 23 23:30:59 vmi1602821 postfix/smtp[92541]: D8D57D20A98: to=<test-ngi445umo@srv1.mail-tester.com>, relay=reception.mail-tester.com[94.23.206.89]:25, delay=300, delays=0.15/0.01/300/0, dsn=4.4.2, status=deferred (conversation with reception.mail-tester.com[94.23.206.89] timed out while receiving the initial server greeting)
Oct 23 23:31:05 vmi1602821 postfix/smtpd[93578]: connect from unknown[94.141.120.58]
Oct 23 23:31:08 vmi1602821 postfix/smtpd[93578]: warning: unknown[94.141.120.58]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:31:08 vmi1602821 postfix/smtpd[93578]: disconnect from unknown[94.141.120.58] ehlo=1 auth=0/1 quit=1 commands=2/3
Oct 23 23:31:27 vmi1602821 postfix/smtpd[93578]: connect from unknown[79.110.62.34]
Oct 23 23:31:29 vmi1602821 postfix/smtpd[93578]: warning: unknown[79.110.62.34]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:31:29 vmi1602821 postfix/smtpd[93578]: disconnect from unknown[79.110.62.34] ehlo=1 auth=0/1 quit=1 commands=2/3
Oct 23 23:31:30 vmi1602821 postfix/submission/smtpd[93449]: lost connection after STARTTLS from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:31:30 vmi1602821 postfix/submission/smtpd[93449]: disconnect from vmi1602821.contaboserver.net[84.247.137.203] ehlo=1 starttls=1 commands=2
Oct 23 23:31:51 vmi1602821 postfix/smtps/smtpd[93679]: connect from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: 5AD65D206D3: from=<teste@suzzetec.com.br>, size=624, nrcpt=1 (queue active)
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: 030E4D2048B: skipped, still being delivered
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: 5747BD21623: skipped, still being delivered
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: D8D57D20A98: from=<monitoramento24h@suzzetec.com.br>, size=866, nrcpt=1 (queue active)
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: BBBEED206DB: from=<contato@webideiasites.com.br>, size=668, nrcpt=1 (queue active)
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: 6BF24D20A5E: from=<contato@webideiasites.com.br>, size=662, nrcpt=1 (queue active)
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: 145CCD206C2: skipped, still being delivered
Oct 23 23:33:41 vmi1602821 postfix/qmgr[92904]: 927C7D207F0: from=<contato@webideiasites.com.br>, size=787, nrcpt=1 (queue active)
Oct 23 23:34:50 vmi1602821 postfix/anvil[93452]: statistics: max connection rate 1/60s for (submission:84.247.137.203) at Oct 23 23:29:47
Oct 23 23:34:50 vmi1602821 postfix/anvil[93452]: statistics: max connection count 1 for (submission:84.247.137.203) at Oct 23 23:29:47
Oct 23 23:34:50 vmi1602821 postfix/anvil[93452]: statistics: max cache size 3 at Oct 23 23:31:27
Oct 23 23:34:58 vmi1602821 postfix/smtpd[93939]: connect from unknown[94.141.120.155]
Oct 23 23:35:00 vmi1602821 postfix/smtpd[93939]: warning: unknown[94.141.120.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:35:00 vmi1602821 postfix/smtpd[93939]: lost connection after AUTH from unknown[94.141.120.155]
Oct 23 23:35:00 vmi1602821 postfix/smtpd[93939]: disconnect from unknown[94.141.120.155] ehlo=1 auth=0/1 commands=1/2
Oct 23 23:35:13 vmi1602821 postfix/smtpd[93939]: connect from meta1531.sinergiaonline.rehab[178.156.134.82]
Oct 23 23:35:14 vmi1602821 postfix/smtpd[93939]: NOQUEUE: reject: RCPT from meta1531.sinergiaonline.rehab[178.156.134.82]: 550 5.1.1 <finaceiro2@suzzetec.com.br>: Recipient address rejected: User unknown in virtual mailbox table; from=<jetlog-jq8meta1531.sinergiaonline.rehab@meta1531.sinergiaonline.rehab> to=<finaceiro2@suzzetec.com.br> proto=ESMTP helo=<meta1531.sinergiaonline.rehab>
Oct 23 23:35:14 vmi1602821 postfix/smtpd[93939]: disconnect from meta1531.sinergiaonline.rehab[178.156.134.82] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 rset=1 quit=1 commands=6/8
Oct 23 23:35:28 vmi1602821 postfix/smtpd[93939]: connect from keeper-us-east-1d.mxtoolbox.com[18.209.86.113]
Oct 23 23:35:28 vmi1602821 postfix/smtpd[93939]: NOQUEUE: reject: RCPT from keeper-us-east-1d.mxtoolbox.com[18.209.86.113]: 454 4.7.1 <test@mxtoolboxsmtpdiag.com>: Relay access denied; from=<supertool@mxtoolboxsmtpdiag.com> to=<test@mxtoolboxsmtpdiag.com> proto=ESMTP helo=<keeper-us-east-1d.mxtoolbox.com>
Oct 23 23:35:29 vmi1602821 postfix/smtpd[93939]: disconnect from keeper-us-east-1d.mxtoolbox.com[18.209.86.113] ehlo=1 mail=1 rcpt=0/1 quit=1 commands=3/4
Oct 23 23:35:35 vmi1602821 postfix/smtp[92435]: 030E4D2048B: to=<ping@tools.mxtoolbox.com>, relay=postfix.mxtoolbox.com[75.101.250.47]:25, delay=35599, delays=34997/1.8/600/0, dsn=4.4.2, status=deferred (conversation with postfix.mxtoolbox.com[75.101.250.47] timed out while receiving the initial server greeting)
Oct 23 23:35:35 vmi1602821 postfix/smtp[92443]: 5747BD21623: conversation with ALT1.ASPMX.L.GOOGLE.COM[142.251.9.27] timed out while receiving the initial server greeting
Oct 23 23:35:36 vmi1602821 postfix/smtp[92452]: 145CCD206C2: conversation with aragorn.eaitelecom.com.br[200.71.77.42] timed out while receiving the initial server greeting
Oct 23 23:35:50 vmi1602821 postfix/submission/smtpd[94013]: connect from unknown[191.232.161.44]
Oct 23 23:35:51 vmi1602821 postfix/submission/smtpd[94013]: disconnect from unknown[191.232.161.44] ehlo=1 auth=0/1 quit=1 commands=2/3
Oct 23 23:36:06 vmi1602821 postfix/smtpd[93939]: warning: hostname 119-40-84-185.bdcom.com does not resolve to address 119.40.84.185: Name or service not known
Oct 23 23:36:06 vmi1602821 postfix/smtpd[93939]: connect from unknown[119.40.84.185]
Oct 23 23:36:10 vmi1602821 postfix/smtpd[93939]: warning: unknown[119.40.84.185]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:36:28 vmi1602821 postfix/smtpd[93939]: message repeated 2 times: [ warning: unknown[119.40.84.185]: SASL LOGIN authentication failed: UGFzc3dvcmQ6]
Oct 23 23:36:30 vmi1602821 dovecot: imap-login: Login: user=<financeiro2@suzzetec.com.br>, method=PLAIN, rip=52.97.17.53, lip=84.247.137.203, mpid=94084, TLS, session=<NUG93i8lLrc0YRE1>
Oct 23 23:36:39 vmi1602821 postfix/smtpd[93939]: warning: unknown[119.40.84.185]: SASL LOGIN authentication failed: Connection lost to authentication server
Oct 23 23:36:39 vmi1602821 postfix/smtpd[93939]: disconnect from unknown[119.40.84.185] ehlo=1 auth=0/4 rset=4 quit=1 commands=6/10
Oct 23 23:36:51 vmi1602821 postfix/smtps/smtpd[93679]: SSL_accept error from vmi1602821.contaboserver.net[84.247.137.203]: Connection timed out
Oct 23 23:36:51 vmi1602821 postfix/smtps/smtpd[93679]: lost connection after CONNECT from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:36:51 vmi1602821 postfix/smtps/smtpd[93679]: disconnect from vmi1602821.contaboserver.net[84.247.137.203] commands=0/0
Oct 23 23:37:04 vmi1602821 dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 1 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS: Connection closed, session=<8ay54C8l8sPJWcZy>
Oct 23 23:37:04 vmi1602821 dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: Connection closed, session=<i4S94C8lu4fJWcZy>
Oct 23 23:37:04 vmi1602821 dovecot: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number (no auth attempts in 0 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number, session=<b1HB4C8l9MPJWcZy>
Oct 23 23:37:05 vmi1602821 dovecot: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number (no auth attempts in 0 secs): user=<>, rip=201.89.198.114, lip=84.247.137.203, TLS handshaking: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number, session=<oL/I4C8lvYfJWcZy>
Oct 23 23:37:17 vmi1602821 dovecot: imap-login: Login: user=<tecnico2@suzzetec.com.br>, method=PLAIN, rip=52.97.41.221, lip=84.247.137.203, mpid=94144, TLS, session=<uZWE4S8lW2c0YSnd>
Oct 23 23:37:56 vmi1602821 postfix/smtps/smtpd[93679]: connect from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:38:03 vmi1602821 postfix/smtps/smtpd[93679]: SSL_accept error from vmi1602821.contaboserver.net[84.247.137.203]: -1
Oct 23 23:38:03 vmi1602821 postfix/smtps/smtpd[93679]: warning: TLS library problem: error:0A00010B:SSL routines::wrong version number:../ssl/record/ssl3_record.c:354:
Oct 23 23:38:03 vmi1602821 postfix/smtps/smtpd[93679]: lost connection after CONNECT from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:38:03 vmi1602821 postfix/smtps/smtpd[93679]: disconnect from vmi1602821.contaboserver.net[84.247.137.203] commands=0/0
Oct 23 23:38:09 vmi1602821 postfix/smtpd[93939]: connect from unknown[94.141.120.58]
Oct 23 23:38:09 vmi1602821 dovecot: auth: Error: auth client 0 disconnected with 1 pending requests: Connection reset by peer
Oct 23 23:38:11 vmi1602821 postfix/smtpd[93939]: warning: unknown[94.141.120.58]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:38:11 vmi1602821 postfix/smtpd[93939]: disconnect from unknown[94.141.120.58] ehlo=1 auth=0/1 quit=1 commands=2/3
Oct 23 23:38:21 vmi1602821 postfix/smtps/smtpd[93679]: connect from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:38:40 vmi1602821 postfix/smtpd[93939]: connect from vps-89f1f842.vps.ovh.net[57.129.66.108]
Oct 23 23:38:40 vmi1602821 postfix/smtpd[93939]: A3AA4D20A9B: client=vps-89f1f842.vps.ovh.net[57.129.66.108]
Oct 23 23:38:40 vmi1602821 postfix/cleanup[94364]: A3AA4D20A9B: message-id=<20241024003252.05E014639C@vps-89f1f842.vps.ovh.net>
Oct 23 23:38:40 vmi1602821 postfix/qmgr[92904]: A3AA4D20A9B: from=<root@vps-89f1f842.vps.ovh.net>, size=15869, nrcpt=1 (queue active)
Oct 23 23:38:40 vmi1602821 postfix/smtpd[93939]: disconnect from vps-89f1f842.vps.ovh.net[57.129.66.108] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Oct 23 23:38:40 vmi1602821 postfix/qmgr[92904]: 030E4D2048B: from=<teste@suzzetec.com.br>, size=758, nrcpt=1 (queue active)
Oct 23 23:38:40 vmi1602821 postfix/qmgr[92904]: 5747BD21623: skipped, still being delivered
Oct 23 23:38:40 vmi1602821 postfix/qmgr[92904]: 145CCD206C2: skipped, still being delivered
Oct 23 23:38:40 vmi1602821 dovecot: lmtp(94367): Connect from local
Oct 23 23:38:40 vmi1602821 dovecot: lmtp(financeiro2@suzzetec.com.br)<94367><dhFqNjCzGWefcAEAMJ9ltA>: sieve: msgid=<20241024003252.05E014639C@vps-89f1f842.vps.ovh.net>: fileinto action: stored mail into mailbox 'Junk'
Oct 23 23:38:40 vmi1602821 postfix/lmtp[94365]: A3AA4D20A9B: to=<financeiro2@suzzetec.com.br>, relay=vmi1602821.contaboserver.net[private/dovecot-lmtp], delay=0.27, delays=0.23/0.01/0.01/0.02, dsn=2.0.0, status=sent (250 2.0.0 <financeiro2@suzzetec.com.br> dhFqNjCzGWefcAEAMJ9ltA Saved)
Oct 23 23:38:40 vmi1602821 postfix/qmgr[92904]: A3AA4D20A9B: removed
Oct 23 23:38:40 vmi1602821 dovecot: lmtp(94367): Disconnect from local: Logged out (state=READY)
Oct 23 23:38:41 vmi1602821 postfix/smtp[93836]: BBBEED206DB: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=131932, delays=131632/0.03/300/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:38:41 vmi1602821 postfix/smtp[93835]: D8D57D20A98: to=<test-ngi445umo@srv1.mail-tester.com>, relay=reception.mail-tester.com[94.23.206.89]:25, delay=763, delays=462/0.02/300/0, dsn=4.4.2, status=deferred (conversation with reception.mail-tester.com[94.23.206.89] timed out while receiving the initial server greeting)
Oct 23 23:38:41 vmi1602821 postfix/smtp[93834]: 5AD65D206D3: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=119829, delays=119529/0.02/300/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:38:41 vmi1602821 postfix/smtp[93837]: 6BF24D20A5E: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=131331, delays=131031/0.03/300/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:38:41 vmi1602821 postfix/smtp[93838]: 927C7D207F0: to=<douglas@anditec.com.br>, relay=mail.anditec.com.br[38.242.254.62]:25, delay=130856, delays=130556/0.04/300/0, dsn=4.4.2, status=deferred (conversation with mail.anditec.com.br[38.242.254.62] timed out while receiving the initial server greeting)
Oct 23 23:39:38 vmi1602821 dovecot: imap-login: Login: user=<tecnico@suzzetec.com.br>, method=PLAIN, rip=52.97.36.189, lip=84.247.137.203, mpid=94433, TLS, session=<bbPr6S8lcnw0YSS9>
Oct 23 23:40:06 vmi1602821 postfix/postfix-script[94495]: refreshing the Postfix mail system
Oct 23 23:40:06 vmi1602821 postfix/master[91837]: reload -- version 3.6.4, configuration /etc/postfix
Oct 23 23:40:06 vmi1602821 postfix/anvil[93940]: statistics: max connection rate 1/60s for (smtp:94.141.120.155) at Oct 23 23:34:58
Oct 23 23:40:06 vmi1602821 postfix/anvil[93940]: statistics: max connection count 1 for (smtp:94.141.120.155) at Oct 23 23:34:58
Oct 23 23:40:06 vmi1602821 postfix/anvil[93940]: statistics: max cache size 4 at Oct 23 23:35:50
Oct 23 23:40:06 vmi1602821 postfix/qmgr[94501]: 030E4D2048B: skipped, still being delivered
Oct 23 23:40:06 vmi1602821 postfix/qmgr[94501]: 5747BD21623: skipped, still being delivered
Oct 23 23:40:06 vmi1602821 postfix/qmgr[94501]: 145CCD206C2: skipped, still being delivered
Oct 23 23:40:09 vmi1602821 postfix/postfix-script[94513]: refreshing the Postfix mail system
Oct 23 23:40:09 vmi1602821 postfix/master[91837]: reload -- version 3.6.4, configuration /etc/postfix
Oct 23 23:40:15 vmi1602821 postfix/smtps/smtpd[93679]: SSL_accept error from vmi1602821.contaboserver.net[84.247.137.203]: -1
Oct 23 23:40:15 vmi1602821 postfix/smtps/smtpd[93679]: warning: TLS library problem: error:0A00010B:SSL routines::wrong version number:../ssl/record/ssl3_record.c:354:
Oct 23 23:40:16 vmi1602821 postfix/smtps/smtpd[93679]: lost connection after CONNECT from vmi1602821.contaboserver.net[84.247.137.203]
Oct 23 23:40:16 vmi1602821 postfix/smtps/smtpd[93679]: disconnect from vmi1602821.contaboserver.net[84.247.137.203] commands=0/0
Oct 23 23:40:35 vmi1602821 postfix/smtp[92443]: 5747BD21623: conversation with ALT2.ASPMX.L.GOOGLE.COM[142.251.1.27] timed out while receiving the initial server greeting
Oct 23 23:40:36 vmi1602821 postfix/smtp[92452]: 145CCD206C2: conversation with aragorn.eaitelecom.com.br[200.71.77.38] timed out while receiving the initial server greeting
Oct 23 23:40:47 vmi1602821 postfix/smtpd[94579]: connect from unknown[79.110.62.40]
Oct 23 23:40:50 vmi1602821 postfix/smtpd[94579]: warning: unknown[79.110.62.40]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:40:50 vmi1602821 postfix/smtpd[94579]: disconnect from unknown[79.110.62.40] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
Oct 23 23:41:09 vmi1602821 postfix/smtpd[94579]: connect from unknown[178.215.236.65]
Oct 23 23:41:11 vmi1602821 postfix/smtpd[94579]: warning: unknown[178.215.236.65]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:41:11 vmi1602821 postfix/smtpd[94579]: disconnect from unknown[178.215.236.65] ehlo=1 auth=0/1 quit=1 commands=2/3
Oct 23 23:41:24 vmi1602821 dovecot: pop3-login: Disconnected: Aborted login by logging out (auth failed, 1 attempts in 2 secs): user=<postmaster@suzzetec.com.br>, method=PLAIN, rip=103.238.234.237, lip=84.247.137.203, session=<w2sl8C8lKedn7urt>
Oct 23 23:41:38 vmi1602821 dovecot: pop3-login: Disconnected: Aborted login by logging out (auth failed, 1 attempts in 6 secs): user=<postmaster@webideiasites.com.br>, method=PLAIN, rip=103.238.234.237, lip=84.247.137.203, session=<JCex8C8l/PFn7urt>
Oct 23 23:41:47 vmi1602821 postfix/smtpd[94579]: connect from unknown[94.141.120.155]
Oct 23 23:41:49 vmi1602821 postfix/smtpd[94579]: warning: unknown[94.141.120.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 23:41:49 vmi1602821 postfix/smtpd[94579]: lost connection after AUTH from unknown[94.141.120.155]
Oct 23 23:41:49 vmi1602821 postfix/smtpd[94579]: disconnect from unknown[94.141.120.155] ehlo=1 auth=0/1 commands=1/2
Oct 23 23:42:33 vmi1602821 dovecot: imap-login: Login: user=<financeiro@suzzetec.com.br>, method=PLAIN, rip=52.97.30.189, lip=84.247.137.203, mpid=94753, TLS, session=<gVdX9C8lhpw0YR69>
Oct 23 23:43:11 vmi1602821 postfix/postfix-script[94832]: refreshing the Postfix mail system
Oct 23 23:43:11 vmi1602821 postfix/master[91837]: reload -- version 3.6.4, configuration /etc/postfix
Oct 23 23:43:11 vmi1602821 postfix/anvil[94534]: statistics: max connection rate 1/60s for (smtp:79.110.62.40) at Oct 23 23:40:47
Oct 23 23:43:11 vmi1602821 postfix/anvil[94534]: statistics: max connection count 1 for (smtp:79.110.62.40) at Oct 23 23:40:47
Oct 23 23:43:11 vmi1602821 postfix/anvil[94534]: statistics: max cache size 3 at Oct 23 23:41:47
Oct 23 23:43:11 vmi1602821 postfix/qmgr[94837]: 030E4D2048B: skipped, still being delivered
Oct 23 23:43:11 vmi1602821 postfix/qmgr[94837]: 36E88D206E0: from=<financeiro2@suzzetec.com.br>, size=648651, nrcpt=1 (queue active)
Oct 23 23:43:11 vmi1602821 postfix/qmgr[94837]: 5747BD21623: skipped, still being delivered
Oct 23 23:43:11 vmi1602821 postfix/qmgr[94837]: 145CCD206C2: skipped, still being delivered
Oct 23 23:43:11 vmi1602821 postfix/qmgr[94837]: 85C92D21620: from=<financeiro2@suzzetec.com.br>, size=648814, nrcpt=1 (queue active)
Oct 23 23:43:12 vmi1602821 dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 12 secs): user=<>, rip=34.221.139.87, lip=84.247.137.203, TLS: Connection closed, session=<5oGr9i8lsMoi3YtX>
Oct 23 23:43:31 vmi1602821 postfix/postfix-script[94886]: refreshing the Postfix mail system
Oct 23 23:43:31 vmi1602821 postfix/master[91837]: reload -- version 3.6.4, configuration /etc/postfix
Oct 23 23:43:31 vmi1602821 postfix/qmgr[94890]: 85C92D21620: skipped, still being delivered
Oct 23 23:43:31 vmi1602821 postfix/qmgr[94890]: 36E88D206E0: skipped, still being delivered
´➜ ~ openssl s_client -connect mail.suzzetec.com.br:587 -starttls smtp
CONNECTED(00000003)
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R11
verify return:1
depth=0 CN = *.suzzetec.com.br
verify return:1
Certificate chain
0 s:CN = *.suzzetec.com.br
i:C = US, O = Let's Encrypt, CN = R11
a😛KEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA256
v:NotBefore: Oct 22 16:38:25 2024 GMT; NotAfter: Jan 20 16:38:24 2025 GMT
1 s:C = US, O = Let's Encrypt, CN = R11
i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
a😛KEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA256
v:NotBefore: Mar 13 00:00:00 2024 GMT; NotAfter: Mar 12 23:59:59 2027 GMT
Server certificate
-----BEGIN CERTIFICATE-----
MIIFAjCCA+qgAwIBAgISAyK/E7PzReW9IizxDCBI8jtGMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTEwHhcNMjQxMDIyMTYzODI1WhcNMjUwMTIwMTYzODI0WjAcM.....
-----END CERTIFICATE-----
subject=CN = *.suzzetec.com.br
issuer=C = US, O = Let's Encrypt, CN = R11
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
SSL handshake has read 3408 bytes and written 435 bytes
Verification: OK
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 2048 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
250 CHUNKING
Post-Handshake New Session Ticket arrived:
SSL-Session:
Protocol : TLSv1.3
Cipher : TLS_AES_256_GCM_SHA384
Session-ID: B6CA19136D6285EDEFF10139A0BE935A024634A14EEA545420DCE062E668AC22
Session-ID-ctx:
Resumption PSK: 8B3D82D686E49909478A84E32639B220C9FC95505747697B9BE023EBFBFB441FA6FD5D67DEB35EBACB8007592AF77CA9
PSK identity: None
PSK identity hint: None
SRP username: None
TLS session ticket lifetime hint: 7200 (seconds)
TLS session ticket:
0000 - e5 d1 fc 08 c5 be 81 b5-54 fb 09 3e 13 84 6f b6 ........T..>..o.
0010 - 7d 93 69 11 15 a2 d9 93-1d 41 8d dc 4c 21 bb 4e }.i......A..L!.N
0020 - e8 58 ca 2d 42 44 72 79-64 26 f8 84 ec ec 74 68 .X.-BDryd&....th
0030 - 26 78 8c 00 9b 55 d3 d8-3e c9 68 26 36 10 83 e0 &x...U..>.h&6...
0040 - 6d 79 42 91 2c 3e 73 9e-04 bb 83 73 0b 08 7f bd myB.,>s....s....
0050 - 0a 5b 48 df d5 d7 bc 91-fe 68 2e da 4c 39 39 d0 .[H......h..L99....
Start Time: 1729736987
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: no
Max Early Data: 0
read R BLOCK
´