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HKNet not to blame for filtering of e-mail

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Why you can trust SCMP
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In reply to Mr Green's letter on September 2 complaining about HKNet filtering genuine e-mail.

Balancing the filtering of valid e-mail and spam is a tough job for ISPs. On one hand you can filter valid e-mail and on the other hand you risk wasting your customers' time deleting and reading large volumes of e-mail and then losing the customer.

With exception of one product by International Messaging Associates, I found all the spam filters we have looked at suffer the problem that the policies are set systemwide, can be active or inactive and leave no room for granular or partial filtering configurations for individual users.

Mr Green is suffering from false positive spam filtering as the people e-mailing him are on ISPs from where spammers send large amounts of junk mail.

Let's look at this from another angle.

The internet is pretty self regulating. If you operate servers and you constantly permit spam to flow through them then you can expect the world to protect themselves. In this case HKNet is very likely blocking Mr Green's friends for this reason.

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