How to automatically remove spam posts and spammers from my subreddit?

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I am plagued by Spam posts in my subreddit and I am not sure how I can automate to remove those spam posters and their posts. At first I used the auto-moderator to require posters to have karma 10 and above and also comment karma 3 and above but they got past this quick. I am also using regex to filter out words and they adjusted to that one as well and they are coming back....what other option do I have to get rid of those pesky little spammers?
Is there a blacklist of some sort for spammers that I can add to my auto-moderator or anything else effective I can use?

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90%

Account Age

4 years

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Yes

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Profile updated: 2 days ago

Posts updated: 18 hours ago

Prudent-Formal4397

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r/modhelp

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Posted: 9 months ago
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