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We have seen this problem with NAV and Vircom products for some time. It also seems to exist with the ModusMail version as well, though to a less degree. The problem is Vircom does not do strict type checking in the headers of the incoming messages, particularly those that aren't critical in getting the message to the intended mailbox. NAV is very strict, period. If the incoming message is bogus in any way, NAV will choke on it and error out rather than mark it as suspect and deal with it that way. In our case, 100% of the time it is spam causing the problem. Some dufus buys a cheap spam program, doesn't know how to run it and spews trash messages out into the world. NAV doesn't like it and make the ISP's life difficult as a result. It is my opinion that all header fields should be checked for type and the message quarantined if any header fails, but that is just me. Mark Thornton San Marcos Internet, Inc 512-393-5300 ----- Original Message ----- From: "Bill Sobel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 30, 2002 1:55 PM Subject: [VOPmail Beta] Date in message headers > * This is the vopmailbeta mailing list * > > > Brian, > > > This is a really old message but this problem is still around. Its all > > related to Norton Antivirus scanning e-mail before outlook express. If you > > have the customer disable Norton e-mail scanning, the e-mail with invalid > > dates will come in without a problem. We are still taking 1-2 calls per > day > > on this. > > I think this is the second post you made on this, I had asked for more > information but you never responded. Disabling local virus scanning is a > VERY bad idea, and you should not be suggesting it to your clients. That > said, can you give me details as to what version of NAV you see the problem > with? I'm presuming older 2000/2001 clients, as I have not see any issues > with the 2002/2003 transparent proxy. If there are, give me the details so > I can have it fixed. > > Bill > > > > ** > To leave this list, send an email to [EMAIL PROTECTED] > and put the word "LEAVE" in the BODY of the email. ** To leave this list, send an email to [EMAIL PROTECTED] and put the word "LEAVE" in the BODY of the email.
