Forum Discussion
exchange 2019 ipblocklistprovider block e-mail even not in blocklist
hello guys , i'm facing a prblem on exchange 2019 CU3 . i set the ipblocklistprovider as zen.spamhaus.org to prevent spam e-mails , but some e-mails from our costomer were blocked . i have ...
Hello zhangchi2009
I recommend that you review the https://practical365.com/exchange-server/add-ip-block-list-provider-exchange-server-2013-edge-transport/
Check also if there incorrect dns report.
thank you for your reply .
i think the anti-spam function is working now because i can see lots of spam e-mails were blocked .
the problem is some e-mails from our customer's were blocked but i want to add them into the whitelist .
the way i tried to is to add the ip address into IpAllowListEntry , but no use , the e-mails still blocked .
so i'm looking for someone can help on this .
thank you very much .
