Re: Need to change the source address in sendmail

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On Wednesday 04 August 2004 20:11, Cowles, Steve wrote:
> jim martin wrote:
> > Well, I changed my sendmail.mf file's MASQUERADE_AS(`abc.com')dnl,
> > abc.com is the source domain that I want to be.   but it still shown
> > as root@xxxxxxxxxxxxxxxxxxxxxx
>
> As a reference from the sendmail README....
>
> There are always users that need to be "exposed" -- that is, their
> internal site name should be displayed instead of the masquerade name.
> Root is an example (which has been "exposed" by default prior to 8.10).
> You can add users to this list using
>
>  EXPOSED_USER(`usernames')
you know, you're absolutely right. Apologies to those concerned for my rather 
ill-informed responses...
That'll teach me to answer stuff at the end of a work day on too much 
coffee...
>
> See /etc/mail/sendmail.mc
>
> > In fact, I did install postfix before and configured the
> > /etc/postfix/main.cf  's myorigin=abc.com  but it still shown
> > as root@xxxxxxxxxxxxxxxxxxxxxx
>
> See the section of the postfix main.cf titled "ADDRESS REWRITING". In
> particular, using the sender_canonical_maps.
>
> > And my friend told me that it is because my postfix is taken over
> > by sendmail.  So I stop my sendmail.. and restart the postfix..
> > postfix start fine..  but I still cannot send mail via postfix as
> > the source address that define in main.cf  "myorigin=abc.com" when
> > I am using root.
>
> Prior to switching MTA's, did you run "system-switch-mail" (FC2)??
> I believe its "redhat-switch-mail" on FC1 and RH9
>
> > what my friend told me was it is because, I am still using Sendmail,
> > namely because sendmail(1) is the Sendmail MTA and not Postfix'
> > sendmail binary.
>
> If you don't run the [redhat/system]-switch-mail script prior to starting
> either postfix or sendmail (which ever MTA you want to run), then
> /etc/alternatives will not be updated. Thus, your friends comment (for the
> most part) is true. Postfix supplies a sendmail compatible submission
> binary that is linked in /etc/alternatives. i.e. either
> /usr/sbin/sendmail.sendmail or /usr/sbin/sendmail.postfix. There are other
> links that are also created like mailq, newaliases, etc when you run
> *-switch-mail.
>
> > BUT I wonder what he said is true or not now.  As later I tried to
> > start both sendmail and postfix and using the postfix command (mail
> > -s "subject" david@xxxxxxxxx < /file using other user account for
> > example david instead of root.  It does show the source address as
> > david@xxxxxxxx  But I wonder it doesn't apply to root.  Anyone can
> > tell me??
>
> See above regarding exposed users.
>
> BTW: Why in the world would you NOT want to list root as an exposed user?
 this is also a rather good point that I seem to have totally missed...
> Steve Cowles 

-- 
Stuart Sears RHCE, RHCX


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