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PowerChute fails to connect with Microsoft smtp-outlook.com and smtp.office365.com to send e-mail notifications.

Issue:

Products:

PowerChute Serial Shutdown v. 1.0, 1.1, 1.2

PowerChute Business Edition 9.5, 10.x

Environment:

PowerChute is configured to use a Microsoft SMTP server as the mail server.

Cause:

As of 16 September 2024, Microsoft no longer allows username and password authentication to connect to its SMTP servers. PowerChute used the Microsoft user's username and password to authenticate with Microsoft SMTP servers, so it can no longer connect to send email notifications.

See:

https://techcommunity.microsoft.com/t5/outlook-blog/keeping-our-outlook-personal-email-users-safe-reinforcing-our/ba-p/4164184

Solution:

The issue will be resolved in a future release of PowerChute Serial Shutdown.