nginx 0.5.33 *) Change: now by default the "echo" SSI command uses entity encoding. *) Feature: the "encoding" parameter in the "echo" SSI command. *) Change: mail proxy was split on three modules: pop3, imap and smtp. *) Feature: the --without-mail_pop3_module, --without-mail_imap_module, and --without-mail_smtp_module configuration parameters. *) Feature: the "smtp_greeting_delay" and "smtp_client_buffer" directives of the ngx_mail_smtp_module. *) Feature: the "server_name" and "valid_referers" directives support regular expressions. *) Feature: the "server_name", "map", and "valid_referers" directives support the "www.example.*" wildcards. *) Bugfix: sub_filter did not work with empty substitution. *) Bugfix: in sub_filter parsing. *) Bugfix: a worker process may got caught in an endless loop, if the memcached was used. *) Bugfix: nginx supported low case only "close" and "keep-alive" values in the "Connection" request header line; bug appeared in 0.5.32. *) Bugfix: nginx could not start on Solaris if the shared PCRE library located in non-standard place was used.

new file mode 100644
--- /dev/null
+++ b/src/mail/ngx_mail_smtp_module.h
@@ -0,0 +1,44 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#ifndef _NGX_MAIL_SMTP_MODULE_H_INCLUDED_
+#define _NGX_MAIL_SMTP_MODULE_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_mail.h>
+#include <ngx_mail_smtp_module.h>
+
+
+typedef struct {
+    ngx_msec_t   greeting_delay;
+
+    size_t       client_buffer_size;
+
+    ngx_str_t    capability;
+    ngx_str_t    starttls_capability;
+    ngx_str_t    starttls_only_capability;
+
+    ngx_str_t    server_name;
+    ngx_str_t    greeting;
+
+    ngx_uint_t   auth_methods;
+
+    ngx_array_t  capabilities;
+} ngx_mail_smtp_srv_conf_t;
+
+
+void ngx_mail_smtp_init_session(ngx_mail_session_t *s, ngx_connection_t *c);
+void ngx_mail_smtp_init_protocol(ngx_event_t *rev);
+void ngx_mail_smtp_auth_state(ngx_event_t *rev);
+ngx_int_t ngx_mail_smtp_parse_command(ngx_mail_session_t *s);
+
+
+extern ngx_module_t  ngx_mail_smtp_module;
+
+
+#endif /* _NGX_MAIL_SMTP_MODULE_H_INCLUDED_ */