~/myalias.list
alias my_alias1 recipient1@email, recipient1@email, [email protected]

~/.muttrc
source ~/myalias.list 

# use this alias to send mass-email in mutt ### -b for BCC:
mutt -b my_alias1 

~/myalias.list:

alias my_alias1 recipient1@email, recipient1@email, [email protected]

~/.muttrc:

source ~/myalias.list 

I would like to be able to use this alias with mutt (-b for BCC):

$ mutt -b my_alias1 

~/myalias.list

alias my_alias1 recipient1@email, recipient1@email, [email protected]

~/.muttrc

source ~/myalias.list

use this alias to send mass-email in mutt ### -b for BCC:

mutt -b my_alias1

~/myalias.list
alias my_alias1 recipient1@email, recipient1@email, [email protected]

~/.muttrc
source ~/myalias.list 

# use this alias to send mass-email in mutt ### -b for BCC:
mutt -b my_alias1