[NBLUG/talk] Sendmail

[Mark Greeott]

Scott Doty wrote:
> On Mon, Jun 20, 2005 at 05:37:40PM -0600, Mark Greeott wrote:
> 
>>Hi everyone,
>>
>>Sendmail noob here!! I've got a colo box at sonic that I run some 
>>websites from. One of the sites (co.dsm.org) has a majordomo mailing 
>>list attached to it and is working fine. The problem is when the list 
>>admin logs on to the machine and tries to send mail *from* it. The from 
>>address appears as "user at sonic-1u.sonic.net" instead of "user at co.dsm.org".
>>
>>This causes most of his mail to be returned with: "some.isp.com requires 
>>a valid sender domain" Anyway, I've googled alot and played with 
>>sendmails Domain Masquerading, Outgoing Addresses(genericstable) and 
>>Outgoing Domains stuff to no avail. Does anyone have any insight on 
>>probably the very stupid thing I'm doing wrong?
>>
>>Sendmail version 8.12.11
>>Mandrake 10
>>
>>Thanks,
>>Mark
> 

Thanks for the reply Scott, I did as suggested but it's still not 
changing the sender address to co.dsm.org. Do I need to remove that 
domain from the MASQUERADE_AS macro?

Mark
> Heya,
> 
> Quick & Dirty solution:
> find this line in sendmail.cf:
> 
> # my official domain name
> # ... define this only if sendmail cannot automatically determine your domain
> #Dj$w.Foo.COM
> 
> Uncomment it and put your canonical hostname:
> 
> Djco.dsm.org
> 
> ...save, then restart Sendmail.
> 
> Hope that helps -- btw, you can use the tools interface to change the
> reverse dns for your domain.  https://tools.sonic.net
> 
>  -Scott
> 
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