RE: sendmail outbound relaying
Hi,
If the client has an static fixed ip address or several addresses you
could hijack the connections form these and redirect them into a 2nd
sendmail configuration that uses a smart host.
Are you relaying for them on user/pass or by source ip address of the
hosts?
> -----Original Message-----
> From: David Bishop [mailto:tech@gnuconsulting.com]
> Sent: 27 January 2006 18:30
> To: debian-isp@lists.debian.org
> Subject: sendmail outbound relaying
>
> [I am not subscribed, please cc: me on any replies. Thanks!]
>
> I have an unusual relaying question (or, at least my google-fu is
> insufficient
> to show it being asked before). I have a server running sendmail for
a
> large
> variety of domains, and it's working great. I have smtpauth/tls
setup,
> and
> clients that want to relay through me do so all the time. However, I
now
> have one client that wants to have their outbound email sent through a
> third-party server to do some weird "secure email" thing where the
> recipient
> has to enter a password and look the message up on a webserver.
Anyway,
> the
> point is, my server will continue to be the destination of any inbound
> email,
> and the main outbound server for a bunch of other domains. But I need
to
> relay anything marked *from* domain foo.com to relay.x.com. All
relaying
> that I've read about is a kind of "all or nothing" deal. Or, at
least,
> to:
> based, not from: based. Any ideas? Apparently, my clients changing
their
> smtp host in their email clients is not an option :-P
>
> So in summary: serverx.boz.com is the final destination for foo.com.
When
> using serverx to send mail, mail from foo.com needs to be relayed
through
> bar.com.
>
> Thanks in advance for any help you have to offer...
>
> D.A.Bishop
>
>
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