please help with mutt

[David Bruzos]

Hello all:
I have been using mutt for a while and I love it, but there is something I can not figure out how to do.  It is 
something kind of stupid so, please don't laugh!
I know how to put new aliases in my mail aliases file for mutt, but I don't know how to use them.  For example, I have 
the speakup at braille.uwo.ca address in there with speakup as the nickname, but if I just put "speakup" in the "to:" field 
when I send mail, it gets sent to speakup at localhost.

How do I tell mutt that I am putting a mail alias in the "to:' field?

Am I thinking of this entire thing the wrong way?

Thank you!

David B.