What’s an application specific password and why I need to use one?

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Application specific passwords are a great way for users to manage applications access to their accounts and data, and are required for many applications if you use two-factor authentication (2FA) to secure your data. 2FA is often required by domain administrators and you’ll know you use 2FA when you are asked to enter a code from an app, email or sms message when you sign in.

Many applications, like Public Address, use an open authentication framework for common services like Google and Office365 to connect your email account – so you can use the Sign in with Google button and not worry about application specific passwords.

However, if you are using another email provider with 2FA support, or prefer to use an SMTP connection to connect your email, you may need to create an application specific password.

These instructions should be provided by your email provider or IT administrator, with a few commonly used examples below, but essentially these allow you to create a secure password which is only used by the application which you have created it for, and doesn’t require the 2FA discussed earlier.

An application specific password will often help to resolve issues you face in connecting an SMTP/IMAP account to Public Address.

A few common email providers application-specific password help documentation can be found below:



Yahoo Mail

Apple Mail

Zoho Email

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