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Hello, Could someone please assist with DKIM/DMARC setup? i found the below link.https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/213939-esa-configure-dkim-signing.htmlBut i was hoping there's an easier step by step guide ...
Hello,In the past, we were told by Microsoft 365 to allow an IP range. We were told that we have to have 40.107.0.0/17 in our allowed list. However, every 2-3 days we receive SPAM emails and when we investigate the issue on IronPort we notice that th...
Hello,Please see below, i created a filter under content filtering to block any incoming email that has an HTML attachment. it's now for some reason blocking a lot of emails from many senders. although they are either allowed senders or just the bod...
And how do you recommend fixing it? I don't want false positives to be blocked. i just want emails that have an attachment.html Thank you i appreciate it.
