2021-05-19 00:26:56 CLIENT -> SERVER: EHLO yacstatic.com
2021-05-19 00:26:56 CLIENT -> SERVER: STARTTLS
2021-05-19 00:26:56 CLIENT -> SERVER: EHLO yacstatic.com
2021-05-19 00:26:56 CLIENT -> SERVER: AUTH LOGIN
2021-05-19 00:26:56 CLIENT -> SERVER: Z3JlZ0Bwcm9zcGVyaW5nd2l0aHVzLmNvbQ==
2021-05-19 00:26:56 CLIENT -> SERVER: WiRvZSRhdWc2
2021-05-19 00:27:03 SMTP ERROR: Password command failed: 535 5.7.3 Authentication unsuccessful [MN2PR12CA0032.namprd12.prod.outlook.com]
SMTP Error: Could not authenticate.
2021-05-19 00:27:03 CLIENT -> SERVER: QUIT
SMTP Error: Could not authenticate.