Title: 504 Gateway Timeout Last modified: August 3, 2018 --- # 504 Gateway Timeout * [reggieofarrell](https://wordpress.org/support/users/ofarrellaudio/) * (@ofarrellaudio) * [7 years, 10 months ago](https://wordpress.org/support/topic/504-gateway-timeout-20/) * When sending out a newsletter through WordPress with the WP SES plugin I received this error… * 504 Gateway Timeout

Gateway Timeout

The gateway did not receive a timely response from the upstream server or application.

* The strange thing is that the newsletter seemed to go out just fine. The site is a Bitnami WordPress instance hosted on AWS. Any idea why this may be happening? - This topic was modified 7 years, 10 months ago by [reggieofarrell](https://wordpress.org/support/users/ofarrellaudio/). The topic ‘504 Gateway Timeout’ is closed to new replies. * ![](https://ps.w.org/wp-ses/assets/icon-256x256.jpg?rev=2070048) * [WP Offload SES Lite](https://wordpress.org/plugins/wp-ses/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-ses/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-ses/) * [Active Topics](https://wordpress.org/support/plugin/wp-ses/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-ses/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-ses/reviews/) * 0 replies * 1 participant * Last reply from: [reggieofarrell](https://wordpress.org/support/users/ofarrellaudio/) * Last activity: [7 years, 10 months ago](https://wordpress.org/support/topic/504-gateway-timeout-20/) * Status: not resolved