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I have about 3000 Ip's that need to be blocked/rejected connectins when an incoming email are reeived from them.I know, I had to do this in HAT - - but adding 3000 IP's in HAT is a real manual and tedious process.is there a way to achieve this with g...
5.3.0 - Other mail system problem 550-'This message was classified as SPAM and may not be delivered'we get above error when sending email to external party - only to specific recipeint domain. Due to the nature of the reciepint, I can't send test em...
I Have cisco ESA and SMA in SMA, I have "Spam quarantine" and "Policy, Virus and Outbreak Quarantines"In "Policy, Virus and Outbreak Quarantines" I have multiple quarainte folders avialable. like custom blocking, vrus, other classifcatinos as needed....
I have 2 cisco ESA's one is in production ESA01 and another in build state - ESA02and I have about 38 domains that use ESA for sending/recieving emaisl via ESA01When I am am needing a cert for ESA for TLS communications for sending and recieving - wh...
in ESA, when I exactly and why I need to use SDR (Sender Domain Verifiation)the configuration that came with CES does not have SDR enabled.Do I really that to be enabled? I wondring what advantages and disadvantages I get using it.
these 2 things at O365 - I did at my side. Below is for incoming mail , the sender IP's will be listed in your welcome letter. Below is for outgoign mail side.
looks we also have almost same route. O365 -> onprese ESA -> CES -> Exteranl/internt in onpremise ESA, , I get below error - attached below. I CES, I get a belop message for some destigation domains. 27 Apr 2026 13:46:11 (GMT +05:30)27 Apr 2026 ...
Does that mean, I can have a centralised spam quarantine?that serves both onpremises ESA and CES ESA'sCurrently my onprese ESA (virtual appliance) is primary - responsible for inbound and outbound. recently, we have introduced CES as secondary mx sin...
