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.
Simplelogin has a free plan also that gives you:
Unlimited Reply/Send from alias
iOS, Android App
Secure your account with TOTP and/or WebAuthn (FIDO)
Sign in with SimpleLogin
Premium plan costs 30$ / year and it gives more features then free plan .
Here is the 10$ discount code if you buy it for 1 year. So basically you can get it in 20$ for 1st year by applying code.
10$ Discount Code:- SLPH2021
You Should use email alias service to protect your main email from unusual spam mails and also it will prevent your main email from ending up in data breaches.