turboSMTP might be a bit more popular than Email List Verify. We know about 2 links to it since March 2021 and only 2 links to Email List Verify. 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
I run an email based service and while I send most email on my own I have been using the following providers for fall-back (for inbox providers that have very strict policies). - https://serversmtp.com/ - https://aws.amazon.com/ses/ I prefer SES for a number of reasons: - The price is about the best you will get. - You can DKIM sign messages yourself if you want (although IIRC they remove the ability to verify... - Source: Hacker News / about 2 years ago
Https://serversmtp.com/ It is the only one I have used, it offers both SMTP and a REST API of which I have only used REST, at $COMPANY it was valued as "the cheapest working service to send thousands of email/month from a few email address (the usual noreply@xxx.yy)". - Source: Hacker News / over 2 years ago
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
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.
Email Verifier - Email verifier app lets you verify email.
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free