The filter builder your Gmail and Outlook should have
▲33/day
Tracked by Kanon since Aug 11, 2026 · then ▲0 · now ▲3
Signal source: ProductHunt
View on ProductHunt →
On mobile tap Share for WeChat / RED (Xiaohongshu) / X; on desktop use Copy text and paste into the app.
FAQ
What is KeepKnown?
The filter builder your Gmail and Outlook should have
How popular is KeepKnown?
As tracked by KanonAgent: ▲3 · 3/day (first indexed 2026-08-11).
What are the best KeepKnown alternatives?
Similar AI agents tracked by KanonAgent: LinkMails, Codreo AI Mail, guides on get & using bulk PVA accounts, OfferTrail, MeetMail, Bulk Email Pre-Filter Kit.