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FROM Address in emails

list Ralph Mitchell
Wed, 23 Jul 2008 09:18:34 -0500
Message-Id: <user-8b996ff33697@xymon.invalid>

On Wed, Jul 23, 2008 at 8:53 AM, Rafal Roginela <
user-744e62462615@xymon.invalid> wrote:
 Hi All,


I'm sorry if I sound dumb but I just want to change the "from address" or
the "reply to" on the mails going out from my hobbit server. I've searched
through the mailing list and docs and can't seem to see it (I'm sure it is
simple). Please help.
That's probably going to take a change in /etc/passwd, if you just want to
change the userid.

I just took a look at email I received from our Hobbit - MS Outlook shows
the "from address" as:

     Hobbit Monitor [user-98253245d7e2@xymon.invalid]

The hobbit userid in /etc/passwd looks like this:

     hobbit:x:508:508:Hobbit Monitor:/home/hobbit:/bin/bash

I know for a fact that's where the outgoing email picks up "Hobbit Monitor",
because that's nowhere else in the system, and if I change that string new
outgoing email picks it up.  If I change the /etc/passwd entry to read:

     norman:x:508:508:Norman the Foreman:/home/hobbit:/bin/bash

I would expect hobbit email to come from

   "Norman the Foreman [user-f804bca9f9c5@xymon.invalid]"

Alternatively you might be able to set up a script to talk directly to the
SMTP server and convince it to use a spoofed address.  That used to work,
but email servers are smarter now...

Ralph Mitchell