Email Validation and Blocklist
WordPress plugin enabling local email validation & blocklist
Email Validation and Blocklist launched on July 7, 2026 with 2 votes.
What it does
Take control of your email validation and blocking needs. Easily set up local email MX checking and blocklists to reduce bounce rates and unwanted signups, leads, customers and more while reducing the reliance and charges from third party APIs.
Easily set up email blocklists and mx checking to reduce bounce rates and unwanted signups, reducing email volume and protecting sender reputation.
Take control of your email validation and blocking needs. Easily set up email blocklists and mx checking on WordPress email functions to reduce bounce rates and unwanted signups, and reduce the reliance and charges from third party APIs. Email blocklist – Add email addresses and domains to a blocklist to stop users from spamming your site. Check MX records – Make sure that an email address has valid MX records before sending email. Monitor only mode – The plugin will allow all email and just log the details (where configured) so you can assess the usefulness of the plugin and ensure no false positives. Strictness control – Decide what you want the plugin to do when…from wordpress.org
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Email Validator by SidemailFeb 2026 · sidemail.io · ▲16Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
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Source: Product Hunt launch ↗
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