Add jabber ID headers to onion email

src/freedombone-base-email

@@ -299,7 +299,9 @@ function configure_email_onion {
       echo "  domains   = riseup.net";
       echo "  transport = onion_relay";
       echo "  headers_remove = Received:Message-ID:X-Mailer:User-Agent";
-      echo "  headers_add = Message-ID: <\${lc:\${sha1:\$message_id}}@\$sender_address_domain>";
+      # shellcheck disable=SC2028
+      echo "  headers_add = \"Message-ID: <\${lc:\${sha1:\$message_id}}@\$sender_address_domain>\\n\\";
+      echo "Jabber-ID: \$sender_address\"";
       echo "  route_data = \${perl{onionLookup}{$RISEUP_EMAIL_ONION}}"
       echo "  no_more"; } > /etc/exim4/conf.d/router/905_exim4-config-riseup
 
@@ -312,7 +314,9 @@ function configure_email_onion {
       echo "  domains   = *.onion";
       echo "  transport = onion_relay";
       echo "  headers_remove = Received:Message-ID:X-Mailer:User-Agent";
-      echo "  headers_add = Message-ID: <\${lc:\${sha1:\$message_id}}@\$sender_address_domain>";
+      # shellcheck disable=SC2028
+      echo "  headers_add = \"Message-ID: <\${lc:\${sha1:\$message_id}}@\$sender_address_domain>\\n\\";
+      echo "Jabber-ID: \$sender_address\"";
       echo "  route_data = \${perl{onionLookup}{\$domain}}"
       echo "  no_more"; } > /etc/exim4/conf.d/router/910_exim4-config-onionrelays