[MlMt] Exchange Error - "server does not support any authentication methods"
H. Jonah Lefkoff
jonah.lefkoff at gmail.com
Tue Nov 18 12:40:56 EST 2025
Thanks Bill, Henry, and Benny for the advice.
The solution was to change the SMTP server address from
`smtp-mail.outlook.com` (what was put in by default) to
`outlook.office365.com` which then allowed me to check the OAuth option
in the SMTP section. This resolved the sending issues.
Jonah
On 17 Nov 2025, at 15:04, Benny Kjær Nielsen wrote:
> On 17 Nov 2025, at 17:04, H. Jonah Lefkoff wrote:
>
>> I’m running r6272 with three accounts, one of which is a
>> @hotmail.com outlook account. I’m unable to send messages from this
>> account, but can fetch and move existing messages between
>> folders/trash just fine. Watching the activity viewer under the SMTP
>> tab for this account while I press the “retry” button on the
>> failed send, I get the following log:
>>
>> ```
>> 15:51:42 Attempting to connect to smtp-mail.outlook.com:587
>> (Network.framework, plain text)
>> 15:51:42 S: 220 BL1PR13CA0181.outlook.office365.com Microsoft ESMTP
>> MAIL Service ready at Mon, 17 Nov 2025 15:51:30 +0000
>> [08DE251370C95BA9]
>> ```
>
> You can use `outlook.office365.com` (which is where it's connecting
> anyways according to the above). That should make MailMate display the
> OAuth2 option which you likely need to make this work.
>
> (And use the same hostname for IMAP.)
>
> --
> Benny
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