1 files changed, 11 insertions, 0 deletions
diff --git a/src/mail/ngx_mail_imap_handler.c b/src/mail/ngx_mail_imap_handler.c
index 57e2fb77d..1c5445785 100644
--- a/src/mail/ngx_mail_imap_handler.c
+++ b/src/mail/ngx_mail_imap_handler.c
@@ -222,6 +222,10 @@ ngx_mail_imap_auth_state(ngx_event_t *rev)
         case ngx_imap_auth_cram_md5:
             rc = ngx_mail_auth_cram_md5(s, c);
             break;
+
+        case ngx_imap_auth_external:
+            rc = ngx_mail_auth_external(s, c, 0);
+            break;
         }
 
     } else if (rc == NGX_IMAP_NEXT) {
@@ -399,6 +403,13 @@ ngx_mail_imap_authenticate(ngx_mail_session_t *s, ngx_connection_t *c)
         }
 
         return NGX_ERROR;
+
+    case NGX_MAIL_AUTH_EXTERNAL:
+
+        ngx_str_set(&s->out, imap_username);
+        s->mail_state = ngx_imap_auth_external;
+
+        return NGX_OK;
     }
 
     return rc;