Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
What is the best practice for relaying messages sent externally to a specific domain? I'm not talking about relaying from outside Ironport then back to your email servers. I'm talking about relaying the other direction. So for example your email serv...
Was there an issue with the CRES service after 4pm EST yesterday? A few users reported bouncebacks that have the message:#< #5.0.0 smtp; 5.x.3 - Temporary PXE Encryption failure. Please try resending the message. If the problem persists, please conta...
Hello I'm getting quite a bit of spam from email address where the domain cannot be verified. I've tried creating a HAT rule that rejected any email where the Reverse lookup could not verify the DNS. The problem here is it seems SPF records can cause...
We have a content filtering configuration to check emails for certain account numbers. It's working great the only bad thing is sometimes it finds what it thinks is account numbers in HTML or XML code. This is random but annoys several of our custome...
Is anyone else having an issue with encrypted email responses? An example is you send a CRES email to a user. They get the email in the normal amounnt of time but when they open the email and respond it takes a abnormal amount of time to receive the ...
I have done some more testing and this email sends fine in plain text. When I send it using HTML enable it gets flagged as having a SSN and encrypts the message. The issue seems to be in the HTML code. I doubt there is a way to tell Ironport when sca...
Here is the traffic from the last one.Received: from mta3.cfi.org (192.168.18.53) by with Microsoft SMTP Server id 14.3.174.1; Wed, 12 Mar 2014 09:05:42 -0400X-IronPort-AV: E=Sophos;i="4.97,638,1389762000"; d="html'217?scan'217,208,217";a="510519...
