250ok
Brevo
Litmus
Return Path
Email on Acid
MailerLite
Symantec Email Security.cloud
MailChimp
Email List Verify
NeverBounce
ZeroBounce
Email Verifier
Proofy
BriteVerify
Trumail
Kickbox
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
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Litmus - litmus tests and tracks your email campaigns, so you can always put your best design forward.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
Return Path - Inbox placement solutions from Return Path helps improve email deliverability and increases email marketing ROI.
Email Verifier - Email verifier app lets you verify email.