Fix Message check for bogus domain names

* lisp/gnus/message.el (message-make-fqdn): Fix check for
bogus system names (bug#24570).

diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index 73d44da1eab2b77817b34b9ed3e746f1715fb48c..4f08b0b27258c2b24d1b935f40101c9673780b11 100644 (file)
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -5785,7 +5785,7 @@ give as trustworthy answer as possible."
           (not (string-match message-bogus-system-names message-user-fqdn)))
       ;; `message-user-fqdn' seems to be valid
       message-user-fqdn)
-     ((and (string-match message-bogus-system-names sysname))
+     ((not (string-match message-bogus-system-names sysname))
       ;; `system-name' returned the right result.
       sysname)
      ;; Try `mail-host-address'.