pref("mail.smtpserver.default.auth_method", 1); // auth any
pref("mail.smtpserver.default.try_ssl", 0);
pref("mail.display_glyph", true); // see <http://www.bucksch.org/1/projects/mozilla/16507>
pref("mail.display_struct", true); // ditto
pref("mail.send_struct", false); // ditto
pref("mail.forward_message_mode", 0); // 0=default as attachment 2=forward as inline with attachments, (obsolete 4.x value)1=forward as quoted (mapped to 2 in mozilla)
pref("mail.startup.enabledMailCheckOnce", false);
pref("mailnews.max_header_display_length",3); // number of addresses to show