The best alternatives to Keepmail - Hide email yet stay notified are Firefox Send, AnonAddy, and SimpleLogin. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Keepmail - Hide email yet stay notified?
Snowflake Startup Challenge— Win investment & global exposure with Snowflake and NYSE
AnonAddy is an open-source anonymous email forwarding service that protects your real email address from spam by using a different unique email alias for every website. It creates unlimited aliases for free. Encrypt forwarded emails with PGP encryption using this service.
SimpleLogin is an open-source email alias service that protects your inbox by using a unique email alias for every website. Unlimited bandwidth, custom domain, PGP, Yubikey, open roadmap. Made in 🇫🇷.
This mobile client for Maskmail enables you to create unlimited disposable email addresses forwarded to your inbox in order to give them around instead of your real email address.