Break out #emacs config a little better

emacs/.config/doom/+mail.el

@@ -446,3 +446,12 @@ with `notmuch-hello-query-counts'."
 (setq message-default-mail-headers "Cc: \nBcc: \n")
 (setq message-auto-save-directory "~/Mail/colin@onec.me/Drafts/")
 (setq message-directory "~/Mail/colin@onec.me/")
+
+;;; Setup sending email with msmtp
+(setq send-mail-function 'sendmail-send-it
+      sendmail-program "/usr/local/bin/msmtp"
+      mail-specify-envelope-from t
+      message-sendmail-f-is-evil t
+      message-sendmail-envelope-from 'header
+      message-sendmail-extra-arguments '("--read-envelope-from")
+      mail-envelope-from 'header)