Based on our record, Email List Verify should be more popular than Verimail. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you're not getting the right email addresses from ContactOut and it's bouncing back, you could always run the email addresses through something like emaillistverify.com to make sure they're valid before you try to email them. (you should do that always anyway to protect your email deliverability). Source: almost 2 years ago
Emaillistverify.com is the service I use. Source: almost 2 years ago
Verimail.io — Bulk and API email verification service. 100 free verifications/month. - Source: dev.to / almost 3 years ago
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
TrueMail.io - TrueMail.io is an email checker service.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
Blaze Verify - Simple, reliable, and affordable list cleaning shouldn’t be hard to find.
Email Verifier - Email verifier app lets you verify email.
Taximail - Grow your business with email marketing automation platform. Everything you need to send email marketing campaigns and SMS marketing campaigns.