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From: Magnus Bäck (no email)
Date: Tue May 01 2007 - 14:09:29 EDT
On Tuesday, May 01, 2007 at 18:07 CEST,
Charles Marcus <> wrote:
> I just want to be sure I am clear on this...
>
> smtpd_sasl_auth is for incoming connections (ie, if one of my users
> wants to be able to send mail remotely from their home connections), and
>
> smtp_sasl_auth is for postfix's outgoing/relay capability, ie, if I
> want to relay outgoing mail through my ISPs smtp server and they
> require authentication
>
> Is this correct?
Yes.
> Also, am I correct that in order to switch from using a relayhost that
> doesn't require auth (specified just as:
>
> relayhost = [smtp.domain.com]
>
> I would:
>
> 1. comment out the relayhost setting in main.cf
>
> 2. enable:
>
> smtp_sasl_auth_enable = yes
> smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
>
> 3. Put the necessary entries in sasl_passwd
>
> 4. postmap the file, then
>
> 5. reload postfix?
Yes, that's the procedure to disable the relayhost and enable
client-side SMTP authentication. Question is, is that really
what you want to do? Why would you disable the relayhost?
smtp_sasl_password_maps only sets the username/password when
Postfix has chosen to route the message to a certain host.
You still need to set relayhost if you want to relay messages
via your ISP.
-- Magnus Bäck
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