HI all, Does anyone have a contact at Barracuda email security team ? Or if anyone has some insights on the potential reasons for the following bounce 550 permanent failure for one or more recipients (<removed>@domain.com:blocked)
Some insights .. before this bounce the sender was able to send successfully other 4 emails to the same recipient in the last week. I was under the assumption that in this case the recipient has blocked all emails from the sender and I should treat it as a hard bounce. Anyone has any insights? Andrei Onofrei Dynamics 365 Email Deliverability Engineer andrei.onof...@microsoft.com<mailto:andrei.onof...@microsoft.com> | +420 601 358 583 BBC Delta Building, Vyskočilova 1561/4a, 140 00 Prague, The Czech Republic [cid:image001.jpg@01D56FA9.86CAEE20]
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