2020-05-27 10:15:54 CLIENT -> SERVER: EHLO yacstatic.com
2020-05-27 10:15:54 CLIENT -> SERVER: STARTTLS
2020-05-27 10:15:54 CLIENT -> SERVER: EHLO yacstatic.com
2020-05-27 10:15:54 CLIENT -> SERVER: AUTH LOGIN
2020-05-27 10:15:54 CLIENT -> SERVER: Z3JlZ0Bwcm9zcGVyaW5nd2l0aHVzLmNvbQ==
2020-05-27 10:15:54 CLIENT -> SERVER: WiRvZSRhdWc2
2020-05-27 10:16:03 SMTP ERROR: Password command failed: 535 5.7.3 Authentication unsuccessful [MN2PR20CA0015.namprd20.prod.outlook.com]
SMTP Error: Could not authenticate.
2020-05-27 10:16:03 CLIENT -> SERVER: QUIT
SMTP Error: Could not authenticate.