2026-03-24 02:39:01 SERVER -> CLIENT: 220-v281493.vpsmx.net ESMTP Exim 4.99.1 #2 Mon, 23 Mar 2026 20:39:01 -0600 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
2026-03-24 02:39:01 CLIENT -> SERVER: EHLO bcacentro.com.mx.bcacentro.com
2026-03-24 02:39:01 SERVER -> CLIENT: 250-v281493.vpsmx.net Hello bcacentro.com.mx.bcacentro.com [174.136.31.139]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP
2026-03-24 02:39:01 CLIENT -> SERVER: STARTTLS
2026-03-24 02:39:01 SERVER -> CLIENT: 220 TLS go ahead
2026-03-24 02:39:01 CLIENT -> SERVER: EHLO bcacentro.com.mx.bcacentro.com
2026-03-24 02:39:01 SERVER -> CLIENT: 250-v281493.vpsmx.net Hello bcacentro.com.mx.bcacentro.com [174.136.31.139]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250 HELP
2026-03-24 02:39:01 CLIENT -> SERVER: AUTH LOGIN
2026-03-24 02:39:01 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2026-03-24 02:39:01 CLIENT -> SERVER: <credentials hidden>
2026-03-24 02:39:01 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2026-03-24 02:39:01 CLIENT -> SERVER: <credentials hidden>
2026-03-24 02:39:03 SERVER -> CLIENT: 535 Incorrect authentication data
2026-03-24 02:39:03 SMTP ERROR: Password command failed: 535 Incorrect authentication data
SMTP Error: Could not authenticate.
2026-03-24 02:39:03 CLIENT -> SERVER: QUIT
2026-03-24 02:39:03 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.