uProc!

ELIMINATE YOUR HARD-BOUNCES. IT'S THAT SIMPLE.

Mailboxlayer is a free, simple and powerful JSON API offering instant email address validation & verification via syntax checks, typo and spelling checks, SMTP checks, free and disposable provider filtering, and much more. Its system is REST-based, secured by 256-bit HTTPS encryption, and pursuing the goal of assisting developers and businesses in fighting fraudulent users and increasing success rates of email campaigns.

List hygiene plays a role in the delivery race. Many ISP mail servers have been known to block a sender's email domain for repeated sending messages to non-existing email addresses. Using the Advanced Email Verifier you can keep your contact lists "clean" on a proactive basis which means you protect your email server domain from getting blacklisted and increase your email campaigns performance.

Bulk Email Verifier provides an easy way on cleaning up your mailing lists before you use them to send your newsletter or marketing emails via services such as AWeber, MailChimp, or Constant Contact.

Email list validation & cleaning maximizes the efficiency of your email marketing campaigns and protects your email sender reputation. NoBounce Email List Cleaner is your ultimate email marketing solution to reduce email bounce rates and keep your accounts and SMTP servers whitelisted!. This application features many unique configurable utilities to cut those old and tired email lists down to size!