Optional SMTP relay via ISP

src/freedombone

@@ -5447,6 +5447,9 @@ function email_client {
     echo 'source ~/.mutt-alias' >> /etc/Muttrc
     echo 'set query_command= "abook --mutt-query \"%s\""' >> /etc/Muttrc
     echo 'macro index,pager A "<pipe-message>abook --add-email-quiet<return>" "add the sender address to abook"' >> /etc/Muttrc
+    echo '' >> /etc/Muttrc
+    echo '# Optional relay of SMTP via ISP' >> /etc/Muttrc
+    echo '#set smtp_url="smtps://username:password@isp_mail_domain:465/"' >> /etc/Muttrc
 
     # create an Emacs configuration specifically for use with Mutt, which
     # has word wrap and spell checking on by default