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We never had an isue with this bug with AsyncOS > 14.x. But since some weeks (with AsyncOS 15.0.0-104) we get mutliple times a week emails with this warnings:Warning <System> mailserver.she.de: Invalid SimpleFilter: Forged_EMail_Detection rule: <filt...
I got an update from Cisco Support. Our issue is related to CSCwi15504 (ENH: Provide support for special characters like "é, ü, ë ..etc" for filrters using FED): https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwi15504I've deleted now all non-English...
Hello,thanks for your answer. But acording the mail log both parties are using TLS1.2. Disabling TLS is not a real option since the sender has required TLS configured and won't disable it, For testing because of the current issue he has disabled TLS ...
I see the same error here:Sun Jan 21 15:38:18 2024 Info: New SMTP ICID 3299541 interface mailout (x.x.x.x) address y.y.y.y reverse dns host unknown verified noSun Jan 21 15:38:18 2024 Info: ICID 3299541 RELAY SG RELAYLIST match y.y.y.y SBRS not enabl...