diff --git a/src/imap/ngx_imap_handler.c b/src/imap/ngx_imap_handler.c
index 61c59c9..55808fa 100644
--- a/src/imap/ngx_imap_handler.c
+++ b/src/imap/ngx_imap_handler.c
@@ -6,7 +6,7 @@
 #include <nginx.h>
 
 
-static void ngx_imap_auth_state(ngx_event_t *rev);
+static void ngx_imap_init_session(ngx_event_t *rev);
 
 
 static char pop3_greeting[] = "+OK " NGINX_VER " ready" CRLF;
@@ -15,36 +15,66 @@
 
 void ngx_imap_init_connection(ngx_connection_t *c)
 {
-    ngx_int_t  n;
+    char       *greeting;
+    ssize_t     size;
+    ngx_int_t   n;
 
     ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0,
                    "imap init connection");
 
     c->log_error = NGX_ERROR_INFO;
 
-    n = ngx_send(c, pop3_greeting, sizeof(pop3_greeting) - 1);
+    greeting = pop3_greeting;
+    size = sizeof(pop3_greeting) - 1;
 
-    if (n == NGX_ERROR) {
+    n = ngx_send(c, greeting, size);
+
+    if (n < size) {
+        /*
+         * we treat the incomplete sending as NGX_ERROR
+         * because it is very strange here
+         */
         ngx_imap_close_connection(c);
         return;
     }
 
-    c->read->event_handler = ngx_imap_auth_state;
+    c->read->event_handler = ngx_imap_init_session;
+
+    ngx_add_timer(c->read, /* STUB */ 60000);
 
     if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
         ngx_imap_close_connection(c);
-        return;
     }
 }
 
 
-static void ngx_imap_auth_state(ngx_event_t *rev)
+static void ngx_imap_init_session(ngx_event_t *rev)
 {
-    ngx_connection_t  *c;
+    ngx_connection_t    *c;
+    ngx_imap_session_t  *s;
 
     c = rev->data;
 
-    ngx_imap_close_connection(c);
+    if (!(s = ngx_pcalloc(c->pool, sizeof(ngx_imap_session_t)))) {
+        ngx_imap_close_connection(c);
+        return;
+    }
+
+    c->data = s;
+    s->connection = c;
+
+    if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) {
+        ngx_imap_close_connection(s->connection);
+        return;
+    }
+
+    s->buffer = ngx_create_temp_buf(s->connection->pool, /* STUB */ 4096);
+    if (s->buffer == NULL) {
+        ngx_imap_close_connection(s->connection);
+        return;
+    }
+
+    ngx_imap_proxy_init(s);
 }