[Mailman-Users] Confusion between sendmail and mailman for hostnames

Mark Sapiro msapiro at value.net
Wed Sep 19 17:34:57 CEST 2007

Chris Waltham wrote:
>I have a new server called bingham.testing.bowdoin.edu, which has a  
>CNAME in DNS so that newlists.bowdoin.edu points to  
>bingham.testing.bowdoin.edu. Because bingham will do other things  
>than just Mailman, I wanted this flexibility. I compiled Mailman  
>with  --with-mailhost=newlists.bowdoin.edu and --with- 
>urlhost=newlists.bowdoin.edu so that I can make as few changes to  
>mm_cfg.py as necessary.
>So, I'll create a list called "testing" on the machine that is  
>bingham.testing.bowdoin.edu (but Mailman believes it's  
>newlists.bowdoin.edu). I can email testing at newlists.bowdoin.edu and  
>subscribe myself to the list and post to the list successfully.  
>However, when I click "Reply" to a message posted to the testing  
>list, the email address displayed is  
>testing at bingham.testing.bowdoin.edu instead of  
>testing at newlists.bowdoin.edu.

I believe this is the exact issue of the FAQ at

The solution is to not use a CNAME for newlists.bowdoin.edu, use an A
record with the same address as bingham.testing.bowdoin.edu.

Mark Sapiro <msapiro at value.net>       The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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