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Tag Archives: Mail relays

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 :)