MIME Message + Outlook

[Ramzes]

Отправляю письмо с сайта, аутглюк его сразу бросает в спам, каких заголовков ему не хватает?

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Subject: =?Windows-1251?B?U0FZQU1BIFRyYXZlbCBPVVRTT1JDRSE=?=
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[VBTerminator]

Subject: =?Windows-1251?B?U0FZQU1BIFRyYXZlbCBPVVRTT1JDRSE=?=

Что за тема? Я бы письмо с такой темой тоже отправил в "мусор" не читая.

[Ramzes]

VBTerminator, если тебе придет, отправишь

Добавлено:Поставлю вопрос по другому, по каким критериям Outlook отличает спам от не спама?
Добавлено:http://www.emarketingjournal.com/resources/outlookfiltering_underthehood.pdf