Authentication with SMART_HOST in sendmail?

Gbenga Shobowale gshobowale at gmail.com
Thu Aug 24 14:14:21 UTC 2006


On 8/23/06, David Limón Romero <dlr at mega.net.mx> wrote:
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> Alexander Dalloz escribió:
> > David Limón Romero schrieb:
> >
> >> Hello, I have a server with FC4 running as mail server, it's on a DSL
> >> line and it's having problems sending mail to certain domains (hotmail,
> >> yahoo and others), I found in sendmail than using SMART_HOST it could
> >> transfer all outgoing mail to another server (my ISP's mail server),
> >> AFAIK that server doesn't require authentication; with SMART_HOST
> >
> > So you know that the ISP's MTA does not require SMTP AUTH for you to relay?
>
> It doesn't require SMTP AUTH, it relays only via IP address for sending
> mail.
>
> > If the ISP's does demands SMTP AUTH by you to relay for you - why do you
> > want to setup Sendmail client SMTP AUTH?
>
> With SMART_HOST my sendmail sends it's load to my ISP server, but mails
> never go to their destination, so I'm trying to do my sendmail to AUTH
> as client for the ISP server and see if mails go.

Why dont you configure sendmail to resolve the domain and send the
mails directly to the destination.
There are two ways to send mail...either via your isp or directly. If
your isp is not allowing u to send mails using your server then you
can send via an isp.
However I think you need to really ask your isp what they have
available for you to use.


>
> I have to check if mails from user at domain.com (mail.domain.com; this is
> my mail server) are accepted by the ISP mail server (smtp.ispdomain.net)
>
> > AUTH must be offered to be successfully initiated by a client.
>
> > http://www.sendmail.org/~ca/email/auth.html#smtpclient
> > http://www.sendmail.org/~ca/email/sm-812.html#812AUTH
>
> These links are useful, I'm running sendmail-8.13
>
> David
> - --
> David Limón Romero <dlr[@]mega.net.mx>
> http://www.mega.net.mx
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