2024-04-24 04:53:39 SERVER -> CLIENT: 220-mail.sh.cz ESMTP SH.cz Mail server; Wed, 24 Apr 2024 06:53:39 +0200220-***************************************************************220-* sh.cz mail server *220 ***************************************************************
2024-04-24 04:53:39 CLIENT -> SERVER: EHLO www.nexnet.cz
2024-04-24 04:53:39 SERVER -> CLIENT: 250-mail.sh.cz Hello www.nexnet.cz [213.192.44.186], pleased to meet you.250-ENHANCEDSTATUSCODES250-SIZE250-EXPN250-ETRN250-ATRN250-CHECKPOINT250-8BITMIME250-AUTH PLAIN LOGIN DIGEST-MD5 CRAM-MD5250-STARTTLS250-VRFY250 HELP
2024-04-24 04:53:39 CLIENT -> SERVER: STARTTLS
2024-04-24 04:53:39 SERVER -> CLIENT: 220 2.0.0 Ready to start TLS
2024-04-24 04:53:39 CLIENT -> SERVER: EHLO www.nexnet.cz
2024-04-24 04:53:39 SERVER -> CLIENT: 250-mail.sh.cz Hello www.nexnet.cz [213.192.44.186], pleased to meet you.250-ENHANCEDSTATUSCODES250-SIZE250-EXPN250-ETRN250-ATRN250-CHECKPOINT250-8BITMIME250-AUTH PLAIN LOGIN DIGEST-MD5 CRAM-MD5250-VRFY250 HELP
2024-04-24 04:53:39 CLIENT -> SERVER: AUTH CRAM-MD5
2024-04-24 04:53:39 SERVER -> CLIENT: 334 PDIwMjQwNDI0MDY1MzM5QG1haWwuc2guY3o+
2024-04-24 04:53:39 CLIENT -> SERVER: [credentials hidden]
2024-04-24 04:53:42 SERVER -> CLIENT: 535 5.7.8 Authentication credentials invalid
2024-04-24 04:53:42 SMTP ERROR: Username command failed: 535 5.7.8 Authentication credentials invalid
SMTP Error: Could not authenticate.
2024-04-24 04:53:42 CLIENT -> SERVER: QUIT
2024-04-24 04:53:43 SERVER -> CLIENT: 221 2.0.0 mail.sh.cz closing connection
SMTP Error: Could not authenticate.
Message could not be sent.Mailer Error: SMTP Error: Could not authenticate.