diff --git a/keyserver/ChangeLog b/keyserver/ChangeLog
index cb4670ce0..de46f5f70 100644
--- a/keyserver/ChangeLog
+++ b/keyserver/ChangeLog
@@ -1,3 +1,7 @@
+2004-01-13  Werner Koch  <wk@gnupg.org>
+
+	* gpgkeys_hkp.c (send_key): Add a content type.
+
 2004-01-11  David Shaw  <dshaw@jabberwocky.com>
 
 	* gpgkeys_hkp.c (search_key): Catch a mangled input file (useful
diff --git a/keyserver/gpgkeys_hkp.c b/keyserver/gpgkeys_hkp.c
index 698425ada..4501ccb5c 100644
--- a/keyserver/gpgkeys_hkp.c
+++ b/keyserver/gpgkeys_hkp.c
@@ -165,6 +165,10 @@ send_key(int *eof)
       goto fail;
     }
 
+  /* Some keyservers require this Content-Type (e.g. CryptoEx). */
+  iobuf_writestr(hd.fp_write,
+                 "Content-Type: application/x-www-form-urlencoded\r\n");
+
   sprintf(request,"Content-Length: %u\r\n",
 	  (unsigned)iobuf_get_temp_length(temp)+9);
   iobuf_writestr(hd.fp_write,request);