Thunderbird自定义Header和Useragent, X-Mailer

必须设置Useragent为空，然后添加header和X-Mailer

user_pref(“general.useragent.override”, “”);
user_pref(“mail.identity.id3.headers”, “xmailer”);
user_pref(“mail.identity.id3.header.xmailer”, “X-Mailer:Microsoft Outlook 16.0”);

如果只修改Useragent

user_pref(“general.useragent.override”, “Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:50.0) Gecko/20100101 Thunderbird/50.0”);

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@XiaoKyun

双鱼男，过分热心的好人。