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SMTP Banners

prudin_ironport
Level 1
Level 1

‎01-28-2008 06:29 PM

During a recent security audit, it was discovered that our Postx box is showing more information than I would like in the SMTP banner. The 220 banner when telneting to port 25 on my mail domain. Does anyone know of a way to limit the level of information displayed in the SMTP banner?

Thanks ahead for any replies.

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jaigill
Cisco Employee
Cisco Employee

‎01-30-2008 11:17 PM

Paul,

This is somewhat non-trivial depending upon the version of the encryption software/appliance that you may be running. I would recommend opening a ticket with Ironport customer support.

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