Re: SMTP Fixup -- On or Off???

From: Sam (sam_at_email-scan.com)
Date: 03/31/05 

Date: Thu, 31 Mar 2005 06:13:51 -0600

papem@union.edu writes:

> Our SPAM solution provider (Canit) says to shut off the SMTP fixup
> option on our Cisco PIX 525 firewall. From what I've read on-line, a
> lot of sites are turning this option off, however our network

Correct. This so-called “option” is a known laughing stock. It basically
screws up all SMTP connections, without really getting of value in return.
It's just pure luck that some SMTP sessions manage to complete succesfully,
despite Cisco's best efforts otherwise.

> administrator is against doing this and feels that it is a substantial
> security risk.

Fire your network administrator, for incompetence, and hire someone who
knows what he's doing.

> Is shutting off the SMTP fixup option a large security risk? Larger or

No. Do you even know what this “SMTP fixup option” really does?

Relevant Pages

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