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Date: Thu, 29 Apr 2018 23:34:45 +0900 (JST)
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<nekochan@qq.example.cn>: host mx3.qq.com[103.7.30.40] said: 550 Ip frequency
limited [V2VkIEFwciAgMyAxNjozNjo1OSBKU1QgMjAxOQo=/RkNGMjlFQTVEQ0E Blocked
IP 192.0.2.22].
reply to end of DATA command)
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[V2VkIEFwciAgMyAxNjozNjo1OSBKU1QgMjAxOQo=/RkNGMjlFQTVEQ0E Blocked IP
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From: <kijitora-nyaan@example.com>
To: <nekochan@qq.example.cn>
Subject: Nyaan
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Date: Thu, 6 Nov 2018 23:34:45 +0900 (JST)
Nyaan
--886EC3C350D4.1965362333/mail.example.net--