To connect your Mailreef mailboxes to Mailshake,
Log Into your Mailshake account.
Navigate to your account settings and click on "Mail Accounts"
Click on the "SMTP" option.
Enter in your information as seen below.
TO NOTE: If you receive an authentication error it is most likely due to including an additional space when copy and pasting from your Mailreef account, so please double check these values if you cannot connect.
Click "Verify" and that's it!