Sanebox
Clean Email
Unroll.me
SpamTitan
Mailstrom
MailCleaner
Leave Me Alone
ZeroSpam
Followup.cc
FollowUpThen
Gmelius
Right Inbox
Boomerang for Gmail
Onesheet CRM
Mailbutler
Rebump
Sanebox Followup.ccFollowup.cc might be a bit more popular than Sanebox. We know about 1 link to it since March 2021 and only 1 link to Sanebox. 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 see no specific issue with sanebox.com, however it appears that they are only offering a service you can do on your own. Honestly, do you really get that much SPAM? Source: over 1 year ago
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
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
FollowUpThen - The simplest way to schedule an email reminder
Unroll.me - Unroll.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
SpamTitan - Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.
Right Inbox - Schedule Emails in Gmail To Be Sent Later