免费加密信箱 Beeble
Beeble注重数据安全，1G免费空间（包含信箱和网盘），支持中文，pgb加密，每天最多发送150封信件，附件最大10MB，建议发送双方都使用Beeble信箱，这样加密效果更好。
注册地址：https://mail.beeble.com/pricing
使用评价：还可以
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