下载源码包 milter-greylist:
milter-greylist is a stand-alone milter written in C that implements the greylist filtering method, as proposed by Evan Harris.
Grey listing works by assuming that unlike legitimate MTA, spam engines will not retry sending their junk mail on a temporary error. The filter will always temporarily reject mail on a first attempt, and to accept it after some time has elapsed.
If spammers ever try to resend rejected messages, we can assume they will not stay idle between the two sends (if they do, the spam problem would just be solved). Odds are good that the spammer will send a mail to an honey pot address and get blacklisted in several real-time distributed black list before the second attempt.
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| 硬件架构 | 软件包大小 | 安装后大小 | 文件 |
|---|---|---|---|
| alpha | 94.2 kB | 336 kB | [文件列表] |
| amd64 | 89.2 kB | 304 kB | [文件列表] |
| arm | 85.8 kB | 296 kB | [文件列表] |
| hppa | 89.0 kB | 300 kB | [文件列表] |
| i386 | 85.9 kB | 300 kB | [文件列表] |
| ia64 | 110.7 kB | 424 kB | [文件列表] |
| mips | 89.8 kB | 336 kB | [文件列表] |
| mipsel | 90.7 kB | 340 kB | [文件列表] |
| powerpc | 87.4 kB | 304 kB | [文件列表] |
| s390 | 88.3 kB | 304 kB | [文件列表] |
| sparc | 83.2 kB | 292 kB | [文件列表] |