Based on our record, Email List Verify seems to be more popular. 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: over 1 year ago
Emaillistverify.com is the service I use. Source: over 1 year ago
250ok - 250ok offers a SaaS-based platform to monitor and measure the deliverability of email networks.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Intermedia Exchange Email - Email Anti-spam
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
LeadExec - Use ClickPoint Software solutions to manage leads, calls, contacts, tasks, and improve lead quality and quantity while automating your marketing and sales efforts.
Email Verifier - Email verifier app lets you verify email.