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When some of my contacts send mails, I see "signed by gmail" in the headers. In my mail client (Mail.app) I can see that it is a Verisign certificate. Is there a way to get a certificate from Google (as the "signed by gmail" mention suggests) or do I have to buy one at Verisign?
Clément
Posted 2012-03-29T19:07:11.337
Reputation: 121
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Most probably (for GMail with gmail.com sender) you see sign of attached to message DKIM-signature of sending domain (as your text assumes). Something like this
But this is not personal cetificate or user, it's certificate of sending domain, which confirm: this mail really was send by this domain's server. If you'll send you mail over server, which support DKIM, your message will have this badge in recipient's eyes
Lazy Badger
Posted 2012-03-29T19:07:11.337
Reputation: 3 557