How to use SendGrid on your MainWP dashboard site
SendGrid offers a free plan which provides 40,000 emails a month, which should be more than enough for most MainWP dashboard sites. Using a transactional email provider like SendGrid, SparkPost or SendinBlue. Go to https://signup.sendgrid.com/ After you have signed up for a free plan you will be in the main app. On your MainWP dashboard site look for SendGrid and install it as a new plugin on the site. Go back to the SendGrid app and then click on Settings > API Key then click on the Create API Key button. Create the API, then on the next screen the