Some restrictions apply to the use of both the HTTP(S) and SOCKS5 endpoints.
80
and 443
are blocked; http://example.com/
and https://example.com/
are acceptable targets, for example, but http://example.com:8080
would be rejected.452
Disallowed Content error message.
Port 25
cannot be opened on our residential proxy network. If you want to use residential proxies to test email sending, you can request access for Port 587
or Port 465
.