I am using outlook account config for email config
Server: smtp.office365.com
Port: 587
The telnet is working from local
but discourse is throwing error Net::ReadTimeout or
Is there is anything I need to do ? or there way to local host mail daemon ?
==================== MAIL TEST ====================
For a robust test, get an address from http://www.mail-tester.com/
Or just send a test message to yourself.
Email address for mail test? (‘n’ to skip) [mail@mail.com]:
Sending mail to mail@mail.com. . .
Testing sending to mail@mail.com using smtp.office365.com:587, username:mail@mail.com with plain auth.
======================================== ERROR ========================================
UNEXPECTED ERROR
Net::ReadTimeout
====================================== SOLUTION =======================================
This is not a common error. No recommended solution exists!
Replacing: SMTP_PASSWORD
Replacing: LETSENCRYPT_ACCOUNT_EMAIL
Replacing: DEVELOPER_EMAILS
Replacing: DISCOURSE_DB_PASSWORD
Replacing: Sending mail to
==================== DONE! ====================
root@discourse:/var/discourse# telnet smtp.office365.com 587
Trying 52.96.88.98…
Connected to MNZ-efz.ms-acdc.office.com.
Escape character is ‘^]’.
220 MN2PR14CA0028.outlook.office365.com Microsoft ESMTP MAIL Service ready at Mon, 24 Jul 2023 21:20:54 +0000
mail@mail.com should be replaced by email
Hello again, Shibi! 
Unfortunately is not possible to use Outlook as it does not support transactional emails. Check this tutorial with a list of recommended email services.
. Any alternatives without using email , eg creating accounts manually . or fetch the activation url
I have found mail server which support this and its working fine
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