这种垃圾邮件不知怎么彻底过滤

素数和

最近收到一些垃圾邮件，地址、标题、内容都会变，没有什么规律，邮件正文是一个图片<内容如下所示>,图片内容有时会相同!不知该如何过滤？详细邮件内容如下：

主题: insolvent attest

       <此位址是一图片！>

Do you recall admitting anyvisitor with exception of those now visible to your view? You are, I believe, one of the people whosuffer most from this death to-night?

I objected to the familiarity of my employers.

Gotinterested in the pictures, you know, and eventually went to Hollywood.

You may not recall it now,Wilkie, but you did. A lady who knew her place as I knew mine.

For a second he stood there,then he turned swiftly and caught the girl in his arms.

We will not move unfortunateone until arrival of coroner. Slowlyhe looked from her to the fortune-teller. Naturally, sir, Jessop bowed, and backed away.

Oh, my God, she cried, I never thought of it before. At that date, you saw the place for the first time? Chan went up the steps first, and unlocked thedoor. The black camelhas knelt at plenty famous gate to-night, he added.

I observe beyond windows a cool lanai crowded with niceHongkong chairs. I hope that what I have toldyou will prove helpful, Inspector. Kashimo, you may enjoy yourself by keen observation of theneighborhood. I do not need to ask where you were at two minutes past eight to-night? And to have, first of all, a private conversation with Miss Fane? You have been engaged in this work a long time?

Silently Tarneverro climbed into the little two-seater.

A long understanding look passed between him and Tarneverro.

Ah, yes, I would expect at leastone of those.

I tried to calm him a bit, but he brokeaway and wandered down the beach. She left the door open and returned to the living-room.

As Ibelieve I told you, when I left you just after eight oclock, I went withMr.

I did not dreamthat so soon we would be working side by side. He seemed to controlhimself with an effort. He rubbed his right cheek,which was bleeding slightly.

What is more, she told me that Denny Mayos murderer is at thismoment in Honolulu. I felt,too, that for the sake of her own happiness she ought to get rid of thisburden at last. More than that, I strongly advisedher to lift this burden from her mind and find peace at last. Jimmy Bradshaw entered behindhim, his bathing-suit abandoned for dinner clothes.

The sweet hauntingstrains of The Song of the Islands came to them on the evening breeze.

The coroner and the little Japanese went out. Even the beggar hesitates tocross a rotting bridge. But I remember her saying she was going to her room to getone.

素数和

只有再观察一下再试着建规则...

钉子

感觉有时标题也会固定一下的。当然，建起规则来的话比较麻烦一点

素数和

有道理，看来要防这种类型的，真的很麻烦

zyjc95

建议看看日志，一般这种邮件的IP在某个范围内，采用限制接入的方法进行拦截。不过这个功能需要小心使用，否则会拦截正常邮件。可以将IP的范围逐步放大，根据情况调整。