Debug mode. Print raw email to stdout instead of sending them.
-`--receiver` `<string>` ::
+`--receiver` `(?:[^\s\\@]+\@[^\s\/\\@]+)` ::
Generate report for a single email address. If not specified, generate reports for all users.
-`--redirect` `<string>` ::
+`--redirect` `(?:[^\s\\@]+\@[^\s\/\\@]+)` ::
Redirect spam report email to this address.