Numverify VS SpamAssassin

Numverify — Global phone number validation and lookup JSON API. 250 API requests/month. - Source: dev.to / over 1 year ago

As the name implies, phone confirmation APIs are used to verify contact information. Phone numbers are checked for validity and continued use by verification APIs and services (i.e., they exist). They can also be used to identify geographic data and standardize phone numbers for regulatory purposes. The phrase phone verification API is extremely broad. - Source: dev.to / over 1 year ago

This technology can be used in combination with other security measures to further protect your privacy and prevent fraudsters from getting through to you. When it comes to privacy and security, there are a few things more important than keeping your phone number safe. That's why reverse phone API can be such a valuable tool. By using this technology, you can keep your number hidden from public view, making it... - Source: dev.to / almost 2 years ago

Phone Numbers are required by businesses for various purposes as some use mobiles to send out greetings on a regular basis, while others use messaging to market products or services, and still others necessitate phone numbers to provide better service. Therefore for the verification of these numbers, phone number verification APIs are best to validate them. The business can avail the benefits such as saving time... Source: almost 2 years ago

Phone confirmation APIs are being used to validate contact information, as the name simplies. Verification APIs and services check phone numbers to make sure they're still in use and legitimate (i.e., they exist). For regulatory concerns, they can also be used to standardize phone numbers and identify geographical data. Phone Verification API is a vast term in itself. - Source: dev.to / about 2 years ago

Spamassassin or rspamd or ASSP. All very good. Spamassassin just works, but you need to feed it a good cohort of spam and ham (about 1000 messages each). Most people only send it the spam which will then bias it quite a bit and not have it classify spam as spam unless it's the worst of the bunch. Spamassassin is a filter for your mail server. Rspamd is the same idea. ASSP is highly configurable and a proxy. Source: 11 months ago

I'm currently looking into using a Bayesian spam filter like Bogofilter or Apache Spamassassin to help out. I'd run the contents of my Contact Us form through the filter after the initial validation, and if the contents are below my spam threshold, I would actually send out the contact us request. Source: over 2 years ago

The famous spam filter SpamAssassin. Score: -0.6. A score below -5 is considered spam. -0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid This rule is automatically applied if your email contains a DKIM signature but other positive rules will also be added if your DKIM signature is valid. See immediately below. 0.1 DKIM_VALID Message has at least one valid DKIM or DK... Source: almost 3 years ago

To detect whether incoming emails are malicious, mail servers also use spam scanners, such as Apache's popular SpamAssasin. The internal workings of these spam scanners can be somewhat complicated (involving Naive Bayes Classifiers on trained, large datasets, for the curious), but the primary takeaway is that these classification systems typically assign a numerical point value to an incoming email to determine... - Source: dev.to / about 3 years ago