SMTP authentication failed for office 365

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1

Email could not be sent: SMTP server did not accept the password.
See trace

[220] FR0P281CA0091.outlook.office365.com Microsoft ESMTP MAIL Service ready at Tue, 30 Jan 2024 20:22:47 +0000
EHLO bolt.cmeoffshore.com
[250] FR0P281CA0091.outlook.office365.com Hello [78.159.121.178]
[250] SIZE 157286400
[250] PIPELINING
[250] DSN
[250] ENHANCEDSTATUSCODES
[250] STARTTLS
[250] 8BITMIME
[250] BINARYMIME
[250] CHUNKING
[250] SMTPUTF8
STARTTLS
[220] 2.0.0 SMTP server ready
EHLO bolt.cmeoffshore.com
[250] FR0P281CA0091.outlook.office365.com Hello [78.159.121.178]
[250] SIZE 157286400
[250] PIPELINING
[250] DSN
[250] ENHANCEDSTATUSCODES
[250] AUTH LOGIN XOAUTH2
[250] 8BITMIME
[250] BINARYMIME
[250] CHUNKING
[250] SMTPUTF8
AUTH LOGIN
[334] VXNlcm5hbWU6

[334] UGFzc3dvcmQ6

2

Hello @albertochebly , welcome to our community forum :slight_smile:

It’s really hard to understand what is happening without having any context, after you removed any sensitive infos, can you share a screenshot of Administration > Email Server ? Also, can you tell us if it was working before etc…

Also, it looks like you are trying to reach office365, have you a paid subscription or is it outlook? Have you took a look at our dedicated guide and set an app password?