Verify up to 200 emails a month for free and see if an email is temporary or not
10,000 emails/month,No Credit Cards are required
Free secure email account service provider with built-in end-to-end encryption, no ads, no tracking. Free 1GB storage, one calendar (Tuta also have an paid plan.). Tuta is also partially open source, so you can self-host
– This is not an entire email server; this is just an email client that you can use to send emails right from the client without exposing your credentials, the free tier has 200 monthly requests, 2 email templates, Requests up to 50Kb, Limited contacts history