diff -Nru claws-mail-3.7.10-orig/src/common/ssl.c claws-mail-3.7.10/src/common/ssl.c
--- claws-mail-3.7.10-orig/src/common/ssl.c	2011-10-13 19:44:57.587829501 +0300
+++ claws-mail-3.7.10/src/common/ssl.c	2011-10-13 19:46:21.876487515 +0300
@@ -270,7 +270,9 @@
 	if (session == NULL || r != 0)
 		return FALSE;
   
+#if GNUTLS_VERSION_NUMBER < 0x030003
 	gnutls_transport_set_lowat (session, 1); 
+#endif
 	gnutls_set_default_priority(session);
 	gnutls_protocol_set_priority (session, proto_prio);
 	gnutls_cipher_set_priority (session, cipher_prio);