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Email where not send to check all settings
Have you inspected the logs in storage/logs/laravel.log for any errors?
Describe the bug
Steps To Reproduce
Send email
Change already with O365 support specialist all settings of O365
Expected Behavior
Additional context
Screenshots
Logs
[2025-02-03 17:49:05] production.INFO: Mailer failed with a Transport Exception Expected response code “250/251/252” but got code “550”, with message “550 5.7.64 TenantAttribution; Relay Access Denied [ValidationStatus of ‘’ is EmptyCertificate] [AM3PEPF00009B9B.eurprd04.prod.outlook.com 2025-02-03T17:49:05.267Z 08DD403C60B7C3D3]”.
[2025-02-03 17:49:05] production.INFO: Trying to send to [email protected] 2025-02-03 17:49:05
Sorry then I keep getting
[2025-02-03 19:13:16] production.INFO: Mailer failed with a Transport Exception Failed to authenticate on SMTP server with username “[email protected]” using the following authenticators: “LOGIN”, “XOAUTH2”. Authenticator “LOGIN” returned “Expected response code “235” but got code “535”, with message “535 5.7.139 Authentication unsuccessful, the request did not meet the criteria to be authenticated successfully. Contact your administrator. [AM0PR02CA0115.eurprd02.prod.outlook.com 2025-02-03T19:13:00.835Z 08DD435B0BB3986C]”.”. Authenticator “XOAUTH2” returned “Expected response code “235” but got code “535”, with message “535 5.7.3 Authentication unsuccessful [AM0PR02CA0115.eurprd02.prod.outlook.com 2025-02-03T19:13:11.038Z 08DD435B0BB3986C]”.”.
Even when settings the settings like this in the env file
MAIL_MAILER=smtp
MAIL_HOST=servitweb-be.mail.protection.outlook.com
MAIL_PORT=587
MAIL_USERNAME= → email address is filled in
MAIL_PASSWORD=‘’ → is between ‘’ because it has a ! and $ inthe password
MAIL_ENCRYPTION=TLS [email protected]
MAIL_FROM_NAME=“Info Servitweb”
Yes changed the transport but still the same. It has been working before and since last update failure it doesn’t work any. Also have case open with Microsoft but Tenant partner also don’t find anything strange.