.cindex SOCKS proxy
Exim has support for sending outbound SMTP via a proxy
using a protocol called SOCKS5 (defined by RFC1928).
-The support can be removed by defining DISABLE_SOCKS=yes in Local/Makefile.
+The support can be optionally included by defining SUPPORT_SOCKS=yes in
+Local/Makefile.
Use of a proxy is enabled by setting the &%socks_proxy%& on an smtp transport.
The option value is expanded and should then be a list