relaying from spam firewall, SA, MD and Sendmail

[VCI Help Desk]

    Hi,

    I'm using SA 2.63 with MimeDefang and Sendmail. I have 2 mail servers
for my "spam firewall" that check for viruses and spam. After the email gets
checked by these 2 mail servers the virtusertable forwards the email to my
POP3 server where customers get their email. I have entries in my
virtusertable like such:

[EMAIL PROTECTED]    [EMAIL PROTECTED]

    Using the virtusertable to relay the email to the POP3 server requires a
periodic update when new customers are added and deleted. Is there a simpler
method? One of the reasons I do this is to block emails containing invalid
email addresses from reaching my POP3 server. I want to continue this.

    I understand that LDAP can perform something similar to this but am not
familar with LDAP what-so-ever. Is there another method?

    Bill Dunn