Hi,
I use OAuth2 authentication with Microsoft365 and Google accounts.
There are no problems, when e-mails are sent using IMail interface. When I try to use the IFastSender interface, mails are sent successfully with GMail account, but when sending emails using Microsoft365 account I get the following error: 500 5.3.3 Unrecognized command 'unknown'.
Does the IFastSender support Microsoft365 accounts when using OAuth2 authentication?
EASendMail ver. 7.7.0.3
Edited by user
5 years ago
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Reason: Not specified
