RE: [exim] Exim server behind NAT router (and HELO)

> -----Original Message-----
> From: Giuliano Gavazzi [mailto:eximlists@humph.com]

> or maybe not? Isn't it possible to do Named Virtual Hosts with a
> CNAME? If that is true, then you do not need 1000s of A records and
> thus you do not need the corresponding PTRs.

It works for named virtual *web* hosts. However, having a CNAME precludes
you from having any other records for that name, so if you need an MX
record, you're out of luck.