nginx 0.3.53 *) Change: the "add_header" directive adds the string to 204, 301, and 302 responses. *) Feature: the "server" directive in the "upstream" context supports the "weight" parameter. *) Feature: the "server_name" directive supports the "*" wildcard. *) Feature: nginx supports the request body size more than 2G. *) Bugfix: if a client was successfully authorized using "satisfy_any on", then anyway the message "access forbidden by rule" was written in the log. *) Bugfix: the "PUT" method may erroneously not create a file and return the 409 code. *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx continued proxying anyway.

--- a/src/imap/ngx_imap_core_module.c
+++ b/src/imap/ngx_imap_core_module.c
@@ -205,7 +205,7 @@ ngx_imap_core_merge_srv_conf(ngx_conf_t 
                               prev->imap_client_buffer_size,
                               (size_t) ngx_pagesize);
     ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
-    ngx_conf_merge_unsigned_value(conf->protocol, prev->protocol,
+    ngx_conf_merge_uint_value(conf->protocol, prev->protocol,
                               NGX_IMAP_IMAP_PROTOCOL);
     ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0);