[rt-users] RT4 Postfix/Apache Email Return-Path causing issues

[Rafal Roginela]

Hi,

Postfix is the mta, sendmail just hands it off to postfix is what I understand .  The reason you're seeing the headers the way they are because of how intrinsic email is to Linux/ Unix. What's there is how mail works inside Linux itself because each system has an internal mail flow that is there for the internal users and you are using it for external communication but it still is internal email until it leaves that box. Someone with real Linux knowledge can probably correct all this and explain it better

That is why you have to masquerade for the domain that you want and it is done in postfix per the link I sent.

Thank you,

Rafal Roginela
Network Engineer

AmeriCash Loans, LLC
880 Lee Street, Suite 302
Des Plaines, IL 60016

Office (847) 827-9740 x109
Fax (847) 493-8031

rroginela at americashloans.net

"Billington, James" <jbillington at itsfac.com> wrote:


This looks like it might work. It just feels like we’re tricking the system as a workaround instead of fixing it at the root.

Isn’t there a way to set the Return-Path without changing the From: and/or ReplyTo: headers? RT already set those properly. I just need the Return-Path to change.

Just to confirm a starting point… where are these headers set? Where is the Return-Path: header set? Sendmail right? RT hands off the formatted email with most of the needed headers/content and sendmail adds the Return-Path: header, right? Postfix doesn’t do it, does it?
Just confirming where to check?


James Billington
Senior Systems Administrator
Email: jbillington at itsfac.com
Phone: (703) 445-3715
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From: Rafal Roginela [mailto:rroginela at AmeriCashLoans.net]
Sent: Wednesday, March 20, 2013 4:12 PM
To: Billington, James; rt-users at lists.bestpractical.com
Subject: RE: RT4 Postfix/Apache Email Return-Path causing issues

Hi,

Sorry I gave you a wrong google word of “impersonation” it should be “masquerade”… Here is an article to do just that:

http://www.cyberciti.biz/tips/howto-postfix-masquerade-change-email-mail-address.html

Another way is to relay off your main server(we do that with our Exchange box) again no need for MX record changes since it looks like it will come from the right place.

Hope this helps as this is always the worst part of these kinds of apps since it really varies so much from distro to distro. It is why I switched from Debian (I like them better) to CentOS when setting up RT.
Thank You,
Rafal Roginela
Office (847) 827-9740 x109
Fax (847) 493-8031

From: Billington, James [mailto:jbillington at itsfac.com]
Sent: Wednesday, March 20, 2013 3:04 PM
To: Rafal Roginela; rt-users at lists.bestpractical.com<mailto:rt-users at lists.bestpractical.com>
Subject: RE: RT4 Postfix/Apache Email Return-Path causing issues

Adding an external MX record for this isn’t really an option I can explore. I agree it would solve the problem, more as a workaround, but we’d need to revisit our agreement with our DNS provider.

I googled “postfix impersonation settings” and “sendmail impersonation settings” with no luck. Can you be more specific? I’d appreciate it.
Thanks,

James Billington
Senior Systems Administrator

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