2026-08-12 18:22:24 SERVER -> CLIENT: 220 SG ESMTP service ready at geopod-ismtpd-3

2026-08-12 18:22:24 CLIENT -> SERVER: EHLO lab.brokesellers.com

2026-08-12 18:22:24 SERVER -> CLIENT: 250-smtp.sendgrid.net250-8BITMIME250-PIPELINING250-SIZE 31457280250-SMTPUTF8250-AUTH PLAIN LOGIN250 AUTH=PLAIN LOGIN

2026-08-12 18:22:24 CLIENT -> SERVER: AUTH LOGIN

2026-08-12 18:22:24 SERVER -> CLIENT: 334 VXNlcm5hbWU6

2026-08-12 18:22:24 CLIENT -> SERVER: [credentials hidden]

2026-08-12 18:22:24 SERVER -> CLIENT: 334 UGFzc3dvcmQ6

2026-08-12 18:22:24 CLIENT -> SERVER: [credentials hidden]

2026-08-12 18:22:24 SERVER -> CLIENT: 535 Authentication failed: The provided authorization grant is invalid, expired, or revoked

2026-08-12 18:22:24 SMTP ERROR: Password command failed: 535 Authentication failed: The provided authorization grant is invalid, expired, or revoked

SMTP Error: Could not authenticate.

2026-08-12 18:22:24 CLIENT -> SERVER: QUIT

2026-08-12 18:22:24 SERVER -> CLIENT: 

2026-08-12 18:22:24 SMTP ERROR: QUIT command failed: 

SMTP Error: Could not authenticate.

Mailer Error: SMTP Error: Could not authenticate. SMTP server error: QUIT command failed