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Delete keychain settings for Outlook to allow MM access

#3419

I have been having trouble getting my school Outlook account configured on a new Mac. I have setup Outlook except for the connection to 2FA. I recall seeing a post which gave advice on deleting certain entries in Keychain. That worked on another computer, but I cannot find that post. How do I find the settings in Keychain to reset Outlook configurations and enable 2FA to work? Ports 993 and 587 are open with SSL checked. My other IMAP, iCloud, and gmail are working as expected. This account works in Thunderbird and online. I use MailMate because of great integration with Hookmark and all its linkable apps.

Reported by Mark Scott · February 6th, 2025 @ 04:50 AM

State: resolved
Milestone: none
Assigned to: benny benny

Activity

  1. benny
    benny

    Look for items named com.freron.MailMate.Office365.oauth-*. In particular, if you delete the refresh token then it should trigger re-authentication.

    Also make sure you use a recent beta of MailMate. Let me know if it doesn't work.

    February 6th, 2025 @ 02:31 PM

  2. benny
    benny

    Also make sure your hostnames are outlook.office364.com for both IMAP and SMTP.

    February 6th, 2025 @ 02:32 PM

  3. Mark Scott
    Mark Scott
    • Tag set to solved

    Outlook/Office 365 settings for MailMate 2.0 (6222 beta) work well for 2FA as follows:
    outlook.office365.com for both IMAP and SMTP Server
    IMAP port 993
    SMTP port 587
    Require SSL-selected
    OAuth2-selected

    This is the latest beta as of the ticket date. Authenticator triggers as expected. I did not need to make any changes in Keychain when Outlook was setup this way.

    February 7th, 2025 @ 03:10 AM

  4. benny
    benny
    • State changed from new to resolved

    February 7th, 2025 @ 08:22 AM

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