[Mailman-Users] From: Header again...

Jon Carnes jonc at nc.rr.com
Thu Feb 20 16:51:55 CET 2003

I don't think there is a push-button solution to this problem.  I can
only think of two ways to easily modify the From: field in the email

 - Run the mail destined for the list through a pre-processor like a
procmail script which then replaces the From: header with something
appropriate (something that will let your relay server pass it on)

 - Modify the source for Mailman so that it substitutes in a From:
header that works for you

Good Luck - Jon Carnes

On Thu, 2003-02-20 at 09:30, Thorsten Brabetz wrote:
> Sorry to repost this, but nobody took the bait the first 
> time... I try it with a few more details, maybe the problem 
> was not clear in my initial mail: 
> I have the problem here that for security reasons, all 
> E-mail here from all the different networks within 
> university has to be relayed through one common E-mail 
> relay server (which is and has to be different to the 
> server that runs the lists). Authentication for the relay 
> server is via the From: field, so I need to be able to tell 
> mailman what to put in there (by default it is the list 
> name, plus things like <list>-request, <list>-admin, etc.; 
> these now need to go into the Reply-To: field, and the 
> From: field needs to be something like mailman at domain.com, 
> so that I then can get mailman at domain.com registered on the 
> relay server as a trusted E-mail source...).
> I am sure that this problem has not come up for the first 
> time, and that it is well documented somewhere, but after 
> searching all documentation, FAQs, etc. for the better part 
> of three days now, I really would appreciate if somebody 
> can point me into the right direction. Also my apologies if 
> this problem is absolutely trivial, just give me some 
> newbie credit!
> I have tried things like "aliases" and "genericstable", but 
> the wrapper seems to be applied last, overwriting any 
> previous entry in the From: field. 
> Setup here is Linux 7.3 using sendmail and SMTP. 
> Thanks in advance!
> Best wishes
> Thorsten
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