Maybe they are verifying real e-mail addresses? If they get a bounce message e-mail address = bad.
Sent from my iPad On Jul 21, 2012, at 3:59 PM, David Kovar <dko...@gmail.com> wrote: > Aaron, > > Alas, there is no content at all, no text, no HTML, nothing .... > > -David > > On Jul 21, 2012, at 12:57 PM, Aaron Melton wrote: > >> David, >> >> Are these messages in plain text or HTML format? >> >> Could they be imbedding objects in the HTML to do reconnaissance of the >> system/network? >> >> Aaron >> >> On 7/20/12 7:29 PM, David Kovar wrote: >>> Good evening, >>> >>> A mid-sized high tech client got a new CEO a few months ago. Since coming >>> on board, he's received a steady stream of probe email addresses from a >>> wide variety of throw away email address. The addresses are most often >>> Gmail accounts with random letters for the name and for the address. The >>> subject line and message body are often blank, but they occasionally >>> contain "Hello". There is no malicious payload. No other messages arrive >>> from the same address to any employee and the sender's address doesn't show >>> up via any searches I've conducted. >>> >>> Any speculation on the purpose of these messages? >>> Any ideas on how to trace them back to someone? >>> Any ideas on how to stop them? >>> Anyone else seeing this? >>> >>> -David >>> _______________________________________________ >>> Pauldotcom mailing list >>> Pauldotcom@mail.pauldotcom.com >>> http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom >>> Main Web Site: http://pauldotcom.com >>> >> >> -- >> "In the beginning of a change, the patriot is a scarce man, brave, hated >> and scorned. When his cause succeeds however, the timid join him, for >> then it costs nothing to be a patriot." -Mark Twain >> _______________________________________________ >> Pauldotcom mailing list >> Pauldotcom@mail.pauldotcom.com >> http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom >> Main Web Site: http://pauldotcom.com > > _______________________________________________ > Pauldotcom mailing list > Pauldotcom@mail.pauldotcom.com > http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom > Main Web Site: http://pauldotcom.com _______________________________________________ Pauldotcom mailing list Pauldotcom@mail.pauldotcom.com http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom Main Web Site: http://pauldotcom.com