Sendmail alias

we are setting up a mail server with several domains.
we have it right now so mailing to myname@a.com, myname@b.com and myname@c.com all go to the same user, the problem we are having is making it so the user can mail out as myname@b.com.

Can anyone help me here please.
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SlasherXAsked:
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philiph_elvisCommented:
Check #6 here: http://www.sendmail.org/virtual-hosting.html

Read the whole page about virtual domains.

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jlevieCommented:
Unless you have included a MASQUERADE feature in your sendmail configuration it's normally the client application that determines what the From address is. If you want all mail from a specific user to appear to orignate from a particular domain you can include FEATURE(`genericstable') in your sendmail.mc file to map address in the local domain to some other domain. There are a couple of other things that may need to be done for genericstable to work as expected. See the section on that feature in the cf/README.
SlasherXAuthor Commented:
We have not yet gotten this working.. is there any more information I can provide?

Terry
jlevieCommented:
Okay... What Linux are you using and is your sendmail.cf the "as installed" version or has it been changed?

What mail client software is the user with the problem using?
SlasherXAuthor Commented:
Sorry it took so long.. finaly went to the hosting place and watched him do it.. pointed out the error.

Thank you for your help.

Terry
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