Open Mail.
Click on Mail then Add Account…
Select Add Other Mail Account…
Click Continue
In the field marked Full Name, type your name as you would like it to appear in your emails.
In the field marked Email Address, enter your Videotron email address in lower case and without accents.
In the field marked Password, enter your password.
After a few seconds, Mail may advise you that Videotron does not support SSL mode.
Click Continue.
Configuration will redirect to Mail home page.
Configuration is done.
In the field marked Full Name, type your name as you would like it to appear in your emails.