--- src/mail.c~	2008-12-18 18:49:24.000000000 +0100
+++ src/mail.c	2008-12-18 18:49:42.000000000 +0100
@@ -34,6 +34,8 @@
 #include <errno.h>
 #include <termios.h>
 
+#include <netdb.h>
+
 char *current_mail_spool;
 
 void update_mail_count(struct local_mail_s *mail)