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2FA Authenticator (2FAS) vs OpenSMTPD

A side-by-side look at 2FA Authenticator (2FAS) and OpenSMTPD. For an in-depth review of either product, follow the links below.

2FA Authenticator (2FAS)

2FA Authenticator (2FAS)

Security & Privacy

2FA Authenticator (2FAS) is a free, open-source two-factor authentication app for mobile devices. It enables users to easily set up two-factor authentication for added account security, with support for OTP, TOTP, and HOTP standards.

2faotptotphotpopen-sourcefreemobileauthenticationaccount-security
OpenSMTPD

OpenSMTPD

Network & Admin

OpenSMTPD is an open source SMTP server daemon for Linux and BSD operating systems. It aims to be a free, secure, and featureful SMTP server for both hosting providers and end users.

smtpmail-serveremaillinuxbsdopen-source