[AusNOG] Mail Filtering + ISPs
lathiat at bur.st
Sat Feb 17 10:40:57 EST 2007
On Fri, Feb 16, 2007 at 11:44:02PM +1300, Simon Lyall wrote:
> On Fri, 16 Feb 2007, Nick Brown wrote:
> > We have several customers whereby we host their domain under a "Domain
> > Forwarding" package. Simply put, we redirect *@customersdomain.com to their
> > own personal mailbox, more often then not this mailbox is provided by their
> > ISP.
> I'd really advise you to get out of doing this service. In future you are
> going to be hit again and again with the same problem. Some ISPs have
> stopped any forwarding to remote sites because of their servers getting
> blacklisted (especially by AOL).
> The problem is that your server is sending spam to another ISP. Unless
> that ISP explicitly decides to white list you you then start looking like
> just another spam sending host.
> I'd really recommend in the short term that you make sure all email that
> leaves your servers is run through a fairly good spam filter. This will
> reduce the likelihood of this happening.
> You'll still be hit when the end user hits the "this is spam" button but
> hopefully this won't be too often.
> Consider running your own pop/imap server for your customers to use.
Unfortunately the customers demand it, we recommend in most places that
people POP/IMAP directly but not everyone wants to do that.
*mumble* i hate spam *mumble*
> Simon J. Lyall | Very Busy | Web: http://www.darkmere.gen.nz/
> "To stay awake all night adds a day to your life" - Stilgar | eMT.
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