remove hardcoded reply-to where it should be $addr, and add option for using local smtp

mail2mms.sh

@@ -1,11 +1,13 @@
 #!/bin/sh
 
 # Send an MMS message to your phone when new emails come in.
-# The message header will have the number of new mails in the subject,
-# the From and Subject fields of up to the most recent 3 new mails,
-# and 'and more...' if there are more than three new mails
+# The message will have the number of new mails in the subject
+# and the body will contain the From and Subject fields of up to the 3
+# most recent new mails. If the new mail count is above 3, there will also
+# be 'and more...' at the end.
 # Assumes you have a maildir inbox on this machine;
 # you can use offlineimap or similar to sync recent mail to a maildir
+# or use -l if this machine is actually your mailserver
 
 # import the config file ./.config
 # addr=<the address the notification will appear to be sent from>
@@ -17,8 +19,11 @@
 
 . ./.config
 
-if ! pgrep offlineimap; then
-  offlineimap &
+if [ "$1" != -l ]; then
+
+  if ! pgrep offlineimap; then
+    offlineimap &
+  fi
 fi
 
 oldnew=0
@@ -42,15 +47,22 @@ summary() {
 while true; do
   newnew=$(ls -1 ${inbox}/new | wc -l)
     if [ ${newnew} -gt ${oldnew} ]; then
-      echo "$(summary)" \
-      | mail -r nilix@nilfm.cc \
-        -s "new mail [${newnew}]" \
-        -S smtp=${smtp_server} \
-        -S smtp-use-starttls \
-        -S smtp-auth=login \
-        -S smtp-auth-user=${smtp_user} \
-        -S smtp-auth-password=${smtp_password} \
-        ${phone}
+      if [ "$1" = -l ]; then
+        echo "$(summary)" \
+        | mail -r ${addr} \
+          -s "new mail [${newnew}]" \
+          ${phone}
+      else
+        echo "$(summary)" \
+        | mail -r ${addr} \
+          -s "new mail [${newnew}]" \
+          -S smtp=${smtp_server} \
+          -S smtp-use-starttls \
+          -S smtp-auth=login \
+          -S smtp-auth-user=${smtp_user} \
+          -S smtp-auth-password=${smtp_password} \
+          ${phone}
+      fi
     fi
   oldnew=${newnew}
   sleep 2m