Re9: Help: my PO is open relay

["Glenn A. Bookout" <gblists@xxxxxxxxxxxxxxxxxxx>]

Howdy:

On Wednesday, Dec 3, 2003, at 18:21 US/Pacific, David Bergkvist wrote:

> I also run the same test on tenon.com but that server is not an open 
> relay so there must be something that makes all the difference. I'd 
> just love to find out what...
   I would guess that the problem is w/ having 127.... open for relaying.

   From NSLookup, Tenon's WEB and Mail servers are on two different 
IP addresses ( w/ the same two addresses serving as their NS1 and NS2 
DNS servers, respectively ), so, unless they happen to be running 
Lasso on their mail server, they don't have a similar situation.

   Apparently, this illustrates one of the pitfalls of running 
everything on one server.

   Not sure how to fix it though.

   My early iTools WEB server is using sendmail to send out WEB 
forms, etc., but it is also closed to relaying, so it's safe that 
way, maybe because we don't use it to send out anything else.

   Our P.O mail server is set for Pop-before-SMTP to restrict relaying there.

   HTH.

Glenn

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