new file mode 100644
--- /dev/null
+++ b/src/mail/ngx_mail_imap_module.h
@@ -0,0 +1,38 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#ifndef _NGX_MAIL_IMAP_MODULE_H_INCLUDED_
+#define _NGX_MAIL_IMAP_MODULE_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_mail.h>
+
+
+typedef struct {
+    size_t       client_buffer_size;
+
+    ngx_str_t    capability;
+    ngx_str_t    starttls_capability;
+    ngx_str_t    starttls_only_capability;
+
+    ngx_uint_t   auth_methods;
+
+    ngx_array_t  capabilities;
+} ngx_mail_imap_srv_conf_t;
+
+
+void ngx_mail_imap_init_session(ngx_mail_session_t *s, ngx_connection_t *c);
+void ngx_mail_imap_init_protocol(ngx_event_t *rev);
+void ngx_mail_imap_auth_state(ngx_event_t *rev);
+ngx_int_t ngx_mail_imap_parse_command(ngx_mail_session_t *s);
+
+
+extern ngx_module_t  ngx_mail_imap_module;
+
+
+#endif /* _NGX_MAIL_IMAP_MODULE_H_INCLUDED_ */