Authentication with SMART_HOST in sendmail?

David Limón Romero dlr at mega.net.mx
Wed Aug 23 16:53:13 UTC 2006


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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.

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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