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too much spam

H

hosd

Guest
In our plesk, we have spamassassin on, and

1/ settings >> server-wide mail preferences
SPF spam protection = ON
DNS zones for DNSBL service = ON
DomainKeys spam protection = OFF. tried this before and it caused a few problems.

2/ settings >> spam filter settings
Switch on server-wide SpamAssassin spam filtering = ON
Switch on server-wide greylisting spam protection = ON
Apply individual settings to spam filtering = ON
The maximum number of worker spamd processes to run (1-5) * = 2
The score that a message must receive to qualify as spam * = 4
Add the following text to the beginning of subject of each message recognized as spam = ****SPAM****

Now this one mailbox spam filter score is set at 3 and he is still getting spam.

The problem I find with blacklists and whilelists it is for domain/email addresses only. Spammers tend to use not real email addresses.

Has anyone solved this problem and what did you use? Really need help.
 
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