Hi people, We are evaluating the acquisition of the Fortimail tool for
our Datacenter, and we are having trouble protecting IP Pool addresses
from falling into Microsoft's reputation list. We have all security
requirements enabled, for example: SFP, ...
We have no problems with the other domains, only with Microsoft. All
security techniques were applied as an example: SPF, DMARC, DKIM. None
of the headers used for Microsoft antispam are affected in my opinion.
Authentication-Results: spf=pass (sende...
thanks for the reply, we have our own addresses as we are autonomous
system. I tried to follow the policies informed in the
https://sendersupport.olc...k.com/pm/policies.aspx url, but I still
can't understand why they are blocking our MTA addresses. ...