Issue
After enabling SSL Click tracking on the account, branded links fail randomly with the error 'Stream Timeout'
Product
Twilio SendGrid Email
Cause
DNS caching issues that were not detected during the SSL Click tracking enablement process
Resolution
Please make sure your CDN/Proxy points to http://sendgrid.net instead of https://sendgrid.net as mentioned at SSL troubleshooting: How to deal with 'Wrong Link' error
Additional Information
If you need further assistance, feel free to contact our Support Team at https://support.sendgrid.com