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RBL – Fight SPAM With Postfix

Using RBL is really efficient and pretty lightweight. All it take is some DNS queries and if you were going to receive a lot of spam email from the same client, this DNS entries will be cached in your (local) DNS. To get some figures on how many emails get caught through, on a server […]

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The 7 Popular Blacklists To Keep Away Spam Emails

IPs or domains that cause threat to your inboxes will be listed by the blacklists. If you are on a blacklist you should not keep quite you must act quickly. There are several email blacklists which tries to impress you with a long list, which might not be good tool. So, here is a list […]

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