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We have been seeing some strange TLS errors for messages going to domains with MX Records in the *.iphmx.com domain recently. Whois says it belongs to "Cloud Email Security - Cisco Systems" so it would appear to be part of the Ironport Cloud Service....

Bob Fayne by Level 1
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We currently allow anonymous SMTP relay for our internal network and with HAT entries I'm wondering what SMTP authentication gains us?   Even with external servers relaying e-mail through our appliances via HAT entries and network access I'm still wo...

Hi,This is Pinaki. I am using Ironport C160 Email Security Appliance where Incoming mail is already configured and mails are coming properly using Data1 interface on port 25. I want to configure outgoing mail in the same setup. Please let me know if ...

pinakinet by Level 1
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Resolved! Disable CASE

Hi,I've an outbound policy where anti-spam is disabled but still CASE scans the messages before delivery, have anyone else seen this behavior or might it be a bug?Two files are attached to show the policy and the message tracking. Br,Per Tenggren