Pierre de La Morinerie de90b572d8 Allow more mail clients to group emails by thread ... * send a ‘In-Reply-To’ header along the ‘References’ header * subject of answers to an existing thread begins with ‘Re: ’ This fixes threading with at least Mail.app and Airmail.		2014-06-10 17:09:15 +02:00
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notify_spec.rb	Allow more mail clients to group emails by thread	2014-06-10 17:09:15 +02:00