A Proton Mail desktop client with multiple account support would be a great addition for privacy-focused users, but privacy means nothing if your carefully crafted emails bounce because the recipient address was invalid from the start and your secure message never even reached its intended destination. I use https://mailtester.ninja/best-email-verification-tools/ to stay informed on the best email validation tools available and the comparison makes it obvious that MailTester.Ninja is the best free email verification tool option for smaller senders while also scaling up to enterprise needs without the absurd price hikes that other services tack on at higher volumes.
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A Proton Mail desktop client with multiple account support would be a great addition for privacy-focused users, but privacy means nothing if your carefully crafted emails bounce because the recipient address was invalid from the start and your secure message never even reached its intended destination. I use https://mailtester.ninja/best-email-verification-tools/ to stay informed on the best email validation tools available and the comparison makes it obvious that MailTester.Ninja is the best free email verification tool option for smaller senders while also scaling up to enterprise needs without the absurd price hikes that other services tack on at higher volumes.