OOPSpam Alternatives (September 2025)

Email security and spam filtering with SpamTitan from TitanHQ uses double AV and AI driven malicious URL detection to block malicious threats

Improve your email deliverability with Bouncer's robust email verification and deliverability platform. 🌐

Protect your business e-mail from cyberattacks: phishing, ransomware, spam, viruses. Installation in just a few clicks. French solution 🇫🇷

Optimize your email strategy with ZeroBounce. We offer top-tier email validation, list cleaning, and address verification to reduce spam traps and enhance deliverability.

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

Improve your email sender reputation and reduce bounce rates: real-time email validation API and bulk email list cleaning. Free trial & 100% accuracy.

Powerful, effective protection against spam and malware

Say goodbye to spam with Akismet – the ultimate spam protection used by millions of websites. Sign up today and never worry about spam again!

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

Cookie-Script is an easy-to-use solution to comply with all cookie regulations. Scan your website cookies and let visitors control their privacy.

Improve domain reputation and increase the quality of your mailing list by validating emails before sending a campaign, or at the point of capture.

Reduce bounce rates, stop fake sign-ups and combat fraud with award-winning email verification solutions. Real-time API or batch file options available.

Accurate real-time email validation service: upload and clean your list or integrate email verification into your app with our API. Get started for FREE!

Spambrella is your company for managed email security services and User Awareness Training solutions and products. Try our security services for email today!

Verify your email list in minutes, or integrate real-time email verification into your app with our API. Over 18 billion emails verified. Get started for free.

Spambarrier ist ein Dienst, der Ihre E-Mails filtert, bevor sie Ihren Mailserver erreichen. Der einfache Weg, sich vor Spam zu schützen Hosting sicher in Deutschland und datenschutzkonform.

Clicky's privacy-friendly, real-time website analytics service is simply the best way to monitor, analyze, and react to your website's traffic in real time.

#1 Open Source Free Anti Spam and Antivirus software. MailCleaner is a gateway between your mail infrastructure and Internet. Block all spam.

SPAMfighter Exchange Module is the award winning Anti Spam and Virus for Exchange Server 2000 - 2016. Try FREE for 30 days.

A powerful email server that blocks 99% of junk emails. It also enables encrypted emailing with large sized file sharing and helps in preventing IP leakages

Be spam free today! Protect your domain from spam and viruses with SpamHero. Removes over 98% of the spam and viruses sent to your domain. Setup takes 5 minutes.

Junk Email Filter - Front End Spam / Virus Filtering for your Existing Email Server. We filter the spam and viruses and pass the good email on to you., Junk Email Filter is a front end hosted spam filtering and virus blocking service. Worlds most advanced spam fighting tools.

An essential suite of email and web security services for SMB and Enterprise.

Bulk email verifier. Get rid of spam traps, bounces,and disposable emails. Start with 100 FREE email validations! Secure & accurate bulk email validation

The most accurate email validator algorithm to identify and remove bad email addresses. Best sales starts with a better email deliverability. Enjoy a free trial.

Email Validation and Verification, Email Checker and Bulk Verify Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.

The powerful email verification tool helps you validate and clean your email list seamlessly, ensuring verified email subscribers and high deliverability.

Boost your email security with Proofpoint Essentials and OnDMARC; protect your business against phishing, ransomware, and fraud.

N-able Mail Assure offers MSPs AI-driven email security with close to 100% filtering accuracy. Mail Assure also provides continuous uptime and email archiving.

WordPress security plugin done right: firewall and anti-spam, malware scanner, file recovery & integrity checking

Secure your business emails. Train your employees to cyber attacks. Protect your emails with Mailinblack.

BELxpress Email Hosting Solution

Cequence API security and bot management solutions unify API discovery, compliance, and protection capabilities to defend against attacks, abuse, and fraud.

Abstract provides powerful APIs to help you enrich any user experience or automate any workflow. Used by 10,000+ developers worldwide.

The Most Comprehensive Email Verification Service from only $59: Email Checker, Email List Verify, Bulk Email Verifier, ESP Integrations, and Automatic Email Verification

AdOpt transparently informs users about data collection and manages consents per new privacy regulations, ensuring safety and trust

Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.

CookieYes is a cookie consent solution that helps your website achieve GDPR and CCPA compliance easily. Create a lifetime free account!

Experience the power of Listclean: the simple, AI-driven email verification service with unparalleled accuracy. 100 verifications free. Start trial today!

Improve domain reputation and increase the quality of your mailing list by validating emails before sending a campaign, or at the point of capture.

Libraesva Email Archiver is a powerful and simple solutionfor email Governance, Risk and Compliance. it provides rapid e-Discovery with instant full-text search.

Email Address Validation and Email List Cleaning Service reduces bounce rates. Quick Email Verification Service is the right platform to verify email list and improve deliverability.

Email checker online tool. Ensure email accuracy with our efficient tool. Verify email addresses instantly and improve your communication reliability. Try for free!

Enzuzo helps mobile app developers, agencies, ecommerce stores, and SaaS businesses build data privacy software that's powerful & intuitive. Try for free.

Unlock intelligence about the person behind the email address with email validation, data enrichment, identity matching, and fraud protection.

Get the best email validation tool for busy businesses. Fully automated, completely hands-off, this email verification tool does it all for you.

IRONSCALES’ cloud email security software is an AI-powered email platform for enterprise organizations. Our self-learning service protects against advanced email attacks that bypass traditional defenses.

GetTerms is the leading provider of privacy policies, terms and conditions, cookie policies,and more. Get started for free today.

Simple and powerful email verification JSON API using SMTP, typo checks, syntax validation, and free and disposable provider filtering. Free for personal use.

Material is a multi-layered detection and response toolkit for email. It stops sophisticated email-based attacks and contains the blast radius of compromised accounts.

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

Best automatic image moderation API. PicPurify is designed to automatically detect and filter specific contents in a picture, with an unprecedented accuracy.

MTCaptcha: GDPR-compliant enterprise captcha service prioritizing accessibility and privacy. Offering advanced AI security, it serves as a cost-effective alternative to reCAPTCHA v2 and v3. Trusted by enterprises, small businesses, and startups alike for bot protection, prevention of human abuse, and fraud mitigation. As an independent captcha service, MTCaptcha is utilized by global enterprises. Hundreds of enterprises rely on MTCaptcha to safeguard their online services

Build generative AI into any business process with the secure enterprise platform. Focus on AI-first workflows, not building your own stack.

INKY helps companies secure email using a cloud-based security platform that proactively and instantly scans inbound, internal, and outbound emails to eliminate phishing and malware. The platform intelligently eliminates security threats by blocking malicious emails while assisting employees in real time to handle suspicious emails.

MailboxValidator email validation clean email lists and reduces bounce. It connects to the mail server and checks whether the mailbox exists or not.

N-able SpamExperts offers professional anti-spam email filtering and archiving for Web hosting providers, Internet Service Providers and Telcos.

Stop paying inflated fees to clean your email lists. Use MailCleanup and clean your emails at less than half the price.

Use PrivacyPolicies.com to generate Privacy Policy, Terms and Conditions, Disclaimer, EULA, Cookies Policy, Return and Refund.

All-in-one compliance software: Generate Privacy Policy, Terms & Conditions, Cookie Consent Notice Banner, EULA, Disclaimer and more.

The only Privacy Suite for WordPress - Get ready for GDPR, ePrivacy, CCPA and more. Brought to you by Really Simple SSL and the Complianz Team.

The most accurate bulk email checker. Complete email address verification in seconds. Clear lists with online mail checker for free.

HUMAN Bot Defender is a behavior-based bot management solution that protects your websites, mobile applications and APIs from automated attacks.

Enterprise grade AI security platform with a privacy focus. Replace reCAPTCHA v2, v3, or Enterprise with next generation tech at better value. Used by millions.

Unsafe content identification SaaS, a simple REST API identifies malware, inappropriate images and language - Scanii

WPScan is an enterprise vulnerability database for WordPress. Be the first to know about vulnerabilities affecting your WordPress core, plugins & themes.

SpamKill - Captcha-free protection against spambots

Check Email Address Online using our Email Verification Service ⚡ Proofy.io ⚡ First 500 checks for free! 👨 Check if an Email address is valid or not

Email security is critical for all organizations. Block all email attacks using Mimecast's advanced email security product with targeted threat protection.

PrivacyEngine is a Data Privacy Management Platform & Data Protection Consultancy for GDPR, CCPA, HIPPAA and SOC 2.

Free real-time email verification service. Easy to use. Start using in 30 seconds

Save on infrastructure and maintenance costs. Choose your data centre (US, EU, APAC). AWS native cloud email hosting.

DNS filtering and DNS web filtering solution providing AI driven threat protection and advanced web content controls for MSPs.

Get visibility into malicious bot traffic with Netacea AI-powered bot protection. Automate your response with defensive AI.

Kasada transcends bot management with a radical approach to defeat automated threats and online fraud. Web and API protection that lasts.

Secure data extraction OCR API, data capture mobile SDK, and toolkits to liberate trapped data in your unstructured documents like invoices, bills, purchase orders, checks (cheques) and receipts in real-time.

Geetest's CAPTCHA - a user-friendly CAPTCHA powered by AI. Protect your website and mobile apps against bot traffic. Start your free trial now!

Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

Integrate in minutes and send transactional emails via our REST API or SMTP. Scale with our reliable global infrastructure and deliver emails to your customer's inbox instantly.

Best at verifying emails that are catch-all or protected by SEGs (Secure Email Gateway). Single email verifications are free and unlimited.

With our real-time phone number validation service you can easily verify if a phone number is real and valid. We also offer Phone Number List Cleaning and an Online API for Phone Number Validation.

With the Gamalogic Email validation API tool, you can clean your email list and lower your bounce rate during email campaigns. Try it for free today!

Extract OCR text, data, handwriting, photos, and signatures from all types of documents, including IDs, driver licenses, passports, visas, receipts, invoices, forms, and thousands of other document types worldwide.

Windows mail server software with webmail, caldav, carddav, antivirus, spam filtering - Fast, secure email server software for windows. Download free mail server trial.

If you want excellent email deliverability, our services are highly dependable. Reach out to us for bounce checker and hunter email.

Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.

Leading mail server and webmail client, XGenPlus offering fast, secure, and reliable emailing services supporting linguistic domains - World's first enterprise email solution.

Access our top-tier SMS gateway services at an affordable price globally. No subscriptions and full compliance. Create a free account >>

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.

Mailosaur removes the frustration of testing everything a user might do. 
Test password resets, replies, two-factor logins, and more.

Mailcheck is an easy-to-use, fast, and efficient email validation tool with an API integration feature for on-the-go validation.

Certifier is a digital credentials infrastructure. Easily make, share and verify digital certificates on autopilot. All-in-one platform for generation certificates and mass sending emails to recipients. Certificate maker with user friendly interface, ready-made templates, and delivery emails.

Prevent fraud and detect bots confidently with IPQS fraud detection solutions including bot detection, proxy detection, & email validation. IPQS fraud prevention tools detect fraud, bad bots, high risk users, and fraudulent transactions.

A company, a first and last names are enough to find an updated and verified email address. All the email addresses enriched by Dropcontact are 98% valid.

Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

Automate access to your postal incoming mail and packages

GDPR software tools by GDPR Register is a solution helping to reduce time and effort spent by privacy teams on personal data mapping tasks | FREE 14-day trial |

Email API and SMTP relay to not just send and measure email sending, but also alert and optimise. We provide you with tools, expertise and support needed to reliably deliver emails to your customers inboxes on time, every time.

Most accurate email finder for personal and work email outreach. Email lookup, campaign tool, and AI writer. Get 10 credits free - no credit card required.