On Thu, 2008-03-27 at 12:27 -0700, Marc Perkel wrote: > I'm seeing something interesting. In the HELO acl if I issue a DENY I'm
> seeing servers doing a retry of the HELO. Is this normal?
Yes, perfectly. It's termed a "woodpecker". There are multiple records
of badly written mail applications hammering away for days until the
message times out.
Better to reject after RCPT or DATA for some applications, as they then
go away permanently.
