POST to /_matrix/client/v3/account/3pid/email/requestToken times out after 5 minutes

[m-biermann]

Description

When I try to set an email for my user the /_matrix/client/v3/account/3pid/email/requestToken POST-request seems to time out after 5 minutes after which my reverse proxy reports 502 - Proxy Error.

When running the same request with curl on the local server the server doesn't response even after 30 minutes.

Steps to reproduce

• set up synapse
• try to set mail for account created by register_new_matrix_user
• run into timeout from reverse proxy

Homeserver

mabiphmo.de

Synapse Version

1.104.0

Installation Method

Debian packages from packages.matrix.org

Database

PostgreSQL (single,no,no)

Workers

Single process

Platform

Ubuntu VPS

Configuration

trusted_key_servers:
  - server_name: "matrix.org"
require_auth_for_profile_requests: true

Relevant log output

-/-

Anything else that would be useful to know?

The request isn't even in the logs.

[m-biermann]

After more than 15 hours the request didn't receive a response when requesting with curl via localhost.