Last post Jul 23, 2015 02:01 AM by Mikesdotnetting
Jul 22, 2015 05:18 PM|wavemaster|LINK
I currently have two web apps where I use gmail to send confirmation emails to users that register on the site.
No problems with those.
Working on my 3rd web app and again I use another gmail account for the same purpose.
Now all of a sudden gmail has become finicky.
When I send test registration emails from my local machine they go through fine.
When I send the same registration email on my live site hosted on Azure, I get the error message as described in the title, followed by
"The server response was 5.5.1 Authentication required
I am using the same settings as I use in the other apps, just a different gmail account.
In gmail settings I have:
Some non-Google apps and devices use less secure sign-in technology, which could leave your account vulnerable. You can turn off access for these apps (which we recommend) or choose to use them despite the risks.
Jul 23, 2015 02:01 AM|Mikesdotnetting|LINK
5.5.1 Authentication required
You probably need to authenticate your app with Gmail. Check the Gmail account for an email notifying you of potential suspicious activity and follow the instructions in it if you have received one.