Assuming you have already created your SendGrid account, added a sender and created your SMTP API key and copied over all the SMTP Information from your SendGrid account, this article will guide you on how to enter SendGrid's SMTP settings over at Let's Calendar SMPT setup.
Step 1 - Login to your Let’s Calendar account and navigate to Settings -> SMTP Config
Step 2 - Select “SendGrid” under Mailing service and set it up with following details -
Step 3 - Title – Give a friendly title typically your domain / sending name related so you can identify easily e.g. Info @ Let’s Calendar
Step 4 - Now rest settings we need to enter as per what we copied over from SendGrid’s SMTP Settings -
a. SMTP – this should be prefilled as smtp.sendgrid.net, if not enter the same or enter the info that was displayed to you by SendGrid
b. Port – 587 (You can also try Port 25 or else port 465)
c. Encryption Type – TLS (If you change this to SSL, then be sure to change the port to 465)
d. Access key / Username – apikey (Or same as what you see in SendGrid Info)
e. Secret Key / Password – This should be same as the API Key you generated in SendGrid SMTP settings and have copied safely.
f. Click on “Submit” - You should get a message SMTP Config Created Successfully!
Step 5 - Now navigate to “Settings” and “Domain Email” to now configure your “Sending identity”
Step 6 - Under SMTP config drop down, select the SMTP you just now configured.
Step 7 - Enter the “Senders Name”, this should be same as the sender’s name you entered in SendGrid’s settings.
Step 8 - Next, Enter Sender Email ID and Reply-to Email id – enter same as that you entered in SendGrid.
Step 9 - Click “Submit” and you should get a message “Domain Email Created Successfully.”
Step 10 - You have successfully configured your SMTP settings with SendGrid, next would be to test out the configuration by sending a test calendar invite.