Based on our record, NeverBounce seems to be a lot more popular than Followup.cc. While we know about 11 links to NeverBounce, we've tracked only 1 mention of Followup.cc. 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.
I'll update this if I find more. For now, this seems to be a partial solution. It's a Gmail add on (except I don't use Gmail) that adds reminders. The options when setting reminders include cancelling it if someone replies, and to remind everyone in the thread. If you combine those two, it seems like — if you use Gmail's web client and have $23/month you're dying to get rid of — a decent way to add the feature. Source: over 1 year ago
> NeverBounce: Provides you with email verification services to help your businesses maintain a clean and accurate email list. Source: 11 months ago
Make sure you are only emailing Verified emails. Sending to a bad list is a quick way to get marked as a spammer. You can also use NeverBounce or Bouncer to clean your list. Source: 12 months ago
Scaled out, excellent for email validation is https://neverbounce.com. Source: about 1 year ago
In terms of apps like neverbounce.com and similar - how do they work, at a technical level? Source: about 1 year ago
For example https://neverbounce.com/ . (There are literally hundreds of these services and they make millions). Source: about 1 year ago
FollowUpThen - The simplest way to schedule an email reminder
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Right Inbox - Schedule Emails in Gmail To Be Sent Later
Email Verifier - Email verifier app lets you verify email.