2026-10-31 04:51:40 SERVER -> CLIENT: 220-v281493.vpsmx.net ESMTP Exim 4.100.1 #2 Fri, 30 Oct 2026 22:51:40 -0600 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
2026-10-31 04:51:40 CLIENT -> SERVER: EHLO mail.bcacentro.com.mx
2026-10-31 04:51:40 SERVER -> CLIENT: 250-v281493.vpsmx.net Hello mail.bcacentro.com.mx [174.136.31.139]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP
2026-10-31 04:51:40 CLIENT -> SERVER: STARTTLS
2026-10-31 04:51:40 SERVER -> CLIENT: 220 TLS go ahead
2026-10-31 04:51:40 CLIENT -> SERVER: EHLO mail.bcacentro.com.mx
2026-10-31 04:51:40 SERVER -> CLIENT: 250-v281493.vpsmx.net Hello mail.bcacentro.com.mx [174.136.31.139]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250 HELP
2026-10-31 04:51:40 CLIENT -> SERVER: AUTH LOGIN
2026-10-31 04:51:40 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2026-10-31 04:51:40 CLIENT -> SERVER: <credentials hidden>
2026-10-31 04:51:40 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2026-10-31 04:51:40 CLIENT -> SERVER: <credentials hidden>
2026-10-31 04:51:42 SERVER -> CLIENT: 535 Incorrect authentication data
2026-10-31 04:51:42 SMTP ERROR: Password command failed: 535 Incorrect authentication data
SMTP Error: Could not authenticate.
2026-10-31 04:51:42 CLIENT -> SERVER: QUIT
2026-10-31 04:51:42 SERVER -> CLIENT: 221 v281493.vpsmx.net closing connection
SMTP Error: Could not authenticate.
Message could not be sent. Mailer Error: SMTP Error: Could not authenticate.