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My personal favourites are Whoscall- Caller ID&Block The best app for identifying and blocking calls.you can instantly identify the source of calls and text messages even if the caller’s number is not in your contact list,whoscall also helps you block specific numbers. more than 20 million calls are filtered and about 500,000 malicious calls are ...


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Check Visual Captcha which is self hosted and supports AngularJS. Check this for supported front and backend


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Securimage, or http://www.phpcaptcha.org is a great alternative that I recently found. Although I have not experienced its effectiveness. It is entirely self hosted open source, and runs in php and javascript. It is very user friendly and heavily customizable in appearance and function.


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Bayesian filtering is so millenium. ;) Honestly though, over the last five years the email industry has changed so much that it's nothing like it once was. Bayesian filters used to be the norm for filtering, and now they are very lightly used to only tag the most obvious offenders that are very clearly unsolicited messages. IP Reputation is where you ...


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"Nocaptcha Recaptcha" (now called reCAPTCHA v2) and Invisible reCAPTCHA work the same way in the background. The only difference is that reCAPTCHA v2 uses its own button, while Invisible reCAPTCHA uses an existing button on your site the user was going to click anyway. So the success rate should be about the same. Invisible reCAPTCHA just requires more ...


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You can integrate SpamAssassin with Thunderbird (see e.g. Junk Mail Controls in the Mozilla knowledge base). There are several articles on how to configure Thunderbird to use SpamAssassing tags: TigerTech Support has one, so has the tech evangelist. As your ISP doesn't run SA (you indicate as much), the first step however would be getting that to run ...


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There are numerous tools that can do the task of sending the mails from your list including Access or Python. The one thing that none of them can do is straight to the recipients inbox as that is a rule on their side - if you or the account that you use to send the mail are already in their spam list your mail will be filtered. The other thing to watch out ...


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Try the Wordpress plugin Google Captcha (reCAPTCHA) by BestWebSoft https://wordpress.org/plugins/google-captcha/screenshots/ In the settings you get to choose the captcha version. (the tick in the box would be version 2). Example:


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TrueCaller, the top pick for Android, is available for iOS, too. Truecaller: Number Search & Spam Identification by True Software Scandinavia AB https://appsto.re/us/YXHTA.i We started off as an app to identify unknown numbers and block spam calls. Many people do not bother saving phone numbers anymore because they rely on the ability of Truecaller ...


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The explainxkcd wiki uses Extension:ConfirmEdit, which is bundled with MediaWiki so you don't have to install anything. It forces users who have neither the autoconfirmed nor the confirmed (the one admins give you) permissions to get rate throttled for certain actions (e.g. editing) and to solve captchas (the type of which you can select) before performing ...


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GFI MailEssentials supports Outlook with user-based filtering rules enable flexible and granular filtering of any part of the email message – including message headers, subject, body, attachment name and attachment content -- using different types of pattern-matching methods, including regular expressions. Graylisting. http://kb.gfi.com/articles/...


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