Courier-MTA vs Open Authenticator
A side-by-side look at Courier-MTA and Open Authenticator. For an in-depth review of either product, follow the links below.
Courier-MTA
Office & Productivity
Courier-MTA is an open source mail transfer agent (MTA) used for sending, receiving, and routing email. It is designed to be fast, scalable, and flexible with high throughput.
mail-transfer-agentmtaemailsendingreceivingrouting
Open Authenticator
Security & Privacy
Open Authenticator is a free and open source two-factor authentication app for Android and iOS. It allows users to generate time-based one-time passwords compatible with Google Authenticator and similar apps for two-factor authentication. It provides an easy way to improve the security of your online accounts.
open-sourcetimebased-onetime-passwordscompatible-with-google-authenticatortwofactor-authenticationandroidios
Related Comparisons
FreeOTP
2FA Authenticator (2FAS)
Mail-in-a-box
OpenSMTPD
NikaMail