According to POP3 (Post Office Protocol 3) POP applicable to C/S structure of the offline model of e-mail protocols, from mail server to download e-mail and other functions.

Packet : 63535287pop3_mailsystem.rar filelist
源代码\Client.java~
源代码\readme.txt
源代码\Server.java
源代码\Server.java~
源代码\Client.java
源代码

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