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Tavern Diary Volume 25


6.4.’06. 3:33pm.

A little more on the previous spam thing.

I review my spam box quickly every day, in case there is any good mail mistaken. I often found several self-advertising mails from several major spammers, like cigi, green world, on their e-mail marketing business. They amused me: Even your own spam can't get into my inbox! Why do you think there is anyone willing to commission you on this? But, its funny, that there are still so many people commissioning them on e-mail marketing every day.

It seems that many people like to throw their money into the trash can. They like to listen to these attractive stories from these e-mail marketor, throwing lots of money on this worthless and coorporate-image-hurting marketing thing.


6.3.’06. 4:58am.

I found an interesting thing when I was reviewing my spam a couple of days ago.

With the most popular anti-spam technology nowadays Bayesian Analysis, we can filtered 98.5% of the spams. That means about 15 are getting into our inbox for every 1000 spams. For an ordinary person that receives 300 spams, about 5 will get into the inbox, with the rest go to the spam box. It is very annoying to see 5 spam in the inbox every morning, though.

But, that’s the point of view from us that are spammed. From the point of view from those that are spamming, the hit rate is only 1.5%. And, in the 1.5% that get into the inbox, about 99% are deleted at once. Only 1.5% × 1% = 0.015% of the spam may get read. From marketing perspective, a hit rate of 0.015%, that is, 150 in 1,000,000 marketing targets, is low enough! And how many in these 150 will really go to buy the product? We never know. But the side effect of the coorporate image lose as a spammer is uncountable!

This kind of low hit rate, low efficiency, bad side effect marketing tool, from the marketing point of view, is worthless. And to think that so many companies are involved in such a worthless marketing tool everyday! That’s beyond imagination.


5.31.’06. 12:58pm.

The new chklinks version is finally done. *^_^*


5.27.’06. 9:56pm.

花了一個星期的時間,研究 MRTGSNMP ,如何用它來監控各種重要的系統指標:網路流量、系統負載、 CPU 耗用率、記憶體耗用率、郵件收發、網路速度等等,建立各種早期監控圖表,以便對各種潛在的問題早期預警,早期防範。

我不想再發生之前的悲劇了。伺服器負載跑到 54 ,我竟然毫不知情,直到系統整個連續掛了好幾次,開都開不了機才知道!作為一個網管,真是太不合格了。深以為恥。

看樣子 rinse 還有一個潛在的問題:記憶體不大夠用。嗯。最近有錢的話,要加記憶體。


5.17.’06. 8:30am.

這兩天收到台灣網路資訊中心 TWNIC 的網域名稱帳單,準備去繳費。仔細看一看帳單上的繳費方式,心中有氣。

現在繳費方式有三種:一種是轉帳匯款,一種是線上信用卡繳費,一種是超商繳費。不考慮超商繳費,單看前兩種:

  1. 轉帳匯款,支付的是現款。我手頭現金要馬上支付出去,比較不划算;對方馬上收現,資金成本較低,比較有利。然而不管是臨櫃轉帳、匯款,還是提款機轉帳,我都要額外支付一筆轉帳手續費。
  2. 信用卡繳費,支付的是信用額度,月底結帳請款才付現款。我延遲付款,不用付出手頭的現金,資金成本較低;對方要到月底才能請款,資金成本較高,而且還有拒付倒帳的風險。可是反而不用扣任何抽傭、手續費。

這不是很荒謬嗎?付現無利息,延遲付款還要加計利息才對。為什麼現況反而相反?信用卡繳款,收付銀行要跟商家收取 2% 比例抽傭,禁止轉嫁到消費者身上;轉匯付款手續費是定額,反而要消費者自行負擔。這到底是什麼道理?

我在決定要付現還是刷卡時,著實想了很久很久。


5.17.’06. 6:37am.

刪掉了好多篇過去的垃圾留言和廣告留言。嗯。


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