How to test for Open Mail Relays

Paul Morgan-Roach — Mon, 18 Feb 2008 16:41:33 +0000

Previously I knew how to test for traditional Open Relays on mail servers – but was looking for some more extensive testing and stumbled across this site:

http://www.dsbl.org/relay-methods

Among the list is methods of testing against double bounce and webmail relaying….

In addition to this the base-64 encoding and decoding tool can be used to test SMTP Auth on servers:

http://legacy.dillfrog.com/tools/base-64_encode/

Very useful

Roachys Weblog » Mail relays

How to test for Open Mail Relays