Initially we were using Gmail to send all emails. Once it was up and rolling, we needed something that could send more. Setup Office 365 and the SMTP works fine. It was like that for months, working fine. Recently I found that the "“reply by email address” setting was still set to Gmail… ouraccount…

[image] DavidO: The issue is that the + doesn’t work with Office 365 like it does with Gmail If Office 365 doesn’t support plus email addressing, you’ll need to contact them about that. Email address | Sub-addressing Some mail services support a tag included in the local-part, suc…

Just in case someone goes looking for this, plus addressing is possible in office 365 since Sept 2020: [image] Plus Addressing in Exchange Online You use plus addressing to support dynamic, disposable recipient (not sender) email addresses in your Exchange Online organization. …

'reply by email address' with Office 365

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ti0 (ti0) April 11, 2021, 3:58am 3

Just in case someone goes looking for this, plus addressing is possible in office 365 since Sept 2020:

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Creating system like bots without email address Feature	3	916	August 15, 2016
Reply via email setup with Exchange 2016 Support	3	889	July 14, 2020
Getting 'address not found' error trying to set up reply via email Support	16	2901	March 19, 2023
Reply by email - additional addresses Support	29	2210	September 18, 2019
Amazon SES Verified Email Address with "Enable replying to topics via email" turned on Support	6	1947	December 3, 2018

'reply by email address' with Office 365

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