Emails with attachments teams channel

Hi everyone, We have an issue where when people send emails to a channel with attachments larger than 10 MB the email will not arrive and no reject will be sent. We tried to set up a transport r...

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VasilMichev
Apr 13, 2021
Emails sent to channel aliases are routed through a "shadow" tenant, so their processing is a bit of a black box for us as customers. Message trace, mail flow rules, NDRs - they only affect a part of the process, and we have zero control over the rest. Just live with it 🙂

RahamimL

Iron Contributor

Apr 16, 2021

Sorry for the delayed response.

If I understand you correctly, I need to open a ticket with Microsoft to check the matter further?

Rahamim.

VasilMichev

MVP

Apr 17, 2021

Doesn't hurt to try.

RahamimL
Iron Contributor
Apr 19, 2021
So the official answer from Microsoft is to create a transport rule rejecting the email because the total size of the message is GE 10 megabytes...
Go figure...
Thanks

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Emails with attachments teams channel

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