Mutt Sender Address via Command Line

[Aero Maxx]

Hello,

I have somehow a long long time ago made a script that exports my 
database as sql files then compress them with gzip and then emails them 
off my server.

But I have somehow set the sender address and I cant figure out how I 
have done it, as I haven't used the .muttrc file, is there another way I 
could have done it ?

Thanks
Daniel.