If you have two-factor authentication enabled on your Gmail account you may receive the following error when emailing recipes from Paprika:
"The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required."
To resolve this error, you will need to generate an application-specific password for Paprika. This can be done here:
To learn more about application passwords, see here:
If you do not have two-factor authentication enabled on your Gmail account and you receive this error message, you may need to do the following:
Go to your account security settings here:
Scroll down to "Connected apps & sites" and set "Allow less secure apps" to ON.