Changing the domain in the "From" header

[rawkin]

Hi,

Our MS guys have an exchange server configured with an invalid internal domain name[0]. All local exchange mailboxes forward to real-world corresponding mailboxes on our sendmail mailserver.

The problem here, is that the "From" address will always show up as "jbloggs@invalid.domain" instead of "jbloggs@valid.domain".

Is there a way within sendmail that I can substitute the domain name "invalid.domain" with "valid.domain" in the "From" header?


thanks,

Pete

[0] The simple solution, "change the internal domain name to be valid" isn't an option - the invalid domain name is already too heavily integrated.

 

[Rhinokiller]

You can add the following to your sendmail.mc
MASQUERADE_AS(`valid.domain.com')
but make sure you also add
MASQUERADE_DOMAIN(`valid.domain.com')
- This will add the valid domain to class M. These do not have to be host names but can also be FQDN.
If you need to do this for multiple domains it gets tricky but this should get you by for now as you are only masquerading a single domain.


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