Based on our record, 33Mail seems to be a lot more popular than Followup.cc. While we know about 16 links to 33Mail, 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
I’ve been a happy customer of https://33mail.com/ for years. It’s a different style of offering with a similar purpose and apparently a sustainable business model. - Source: Hacker News / about 1 year ago
Https://33mail.com may be what you're looking for, custom domains need premium subscription. Source: over 1 year ago
If you are interested in the "unlimited unique private email addresses" functionality, also take a look at these other services: https://33mail.com/ https://anonaddy.com/ https://burnermail.io/ https://relay.firefox.com/ https://simplelogin.io/ These all support custom domains, except for Firefox Relay, which only supports a custom subdomain. - Source: Hacker News / almost 2 years ago
There are a couple of websites that let you do this without running your own email server. https://33mail.com is one, for instance (disclaimer: happy customer here.). - Source: Hacker News / about 2 years ago
I recommend setting up an account on 33mail.com and linking it to the burner email address that was created in step 2. With 33mail, you get an unlimited number of email aliases (the stuff before the @ symbol) and you can turn them on and off at any time. For example:@.33mail.com is the formula for their emails. is something that you set up when you create your 33mail account and is unique to... Source: about 2 years ago
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
SimpleLogin - Receive and send emails anonymously. Create a unique email address for each website to avoid cross-site tracking and protect your inbox from spam, phishing and data breaches.
FollowUpThen - The simplest way to schedule an email reminder
TempMailAddress - The TempMailAddress protects your primary mailbox. TempMailAddress.
Boomerang for Gmail - Boomerang for Gmail is a Firefox / Chrome plugin that lets you take control of when you send and receive email messages.
Firefox Relay - Keep your email safe from hackers & trackers...