improve the spam filters with wild cards
the wild cards filter does work well.
*@yahoo.com works
@.yahoo.com does not work that showing invalid email
There are too many @xxxxxxx.yahoo.com spam emails that they change the xxxxxxx every day.
(note yahoo.com is example here)
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M. Martinez commented
A lot of Yahoo mail spam could be prevented by allowing users to filiter out any messages with Unicode characters in the From: or Subject: lines. Seems to be a common technique by spammers to use non-ASCII English Unicode characters to avoid most ASCII-based filters. Of course people conversing in foreign languages will be using Unicode which is the reason I don't suggest just unilaterally filtering out all messages containing Unicode in the headers.
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Gary Yang commented
Where is Yahoo support?
it has been there for two weeks
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Gary Yang commented
the message is "The email address to ban is invalid"