Heroku email click tracker needs exclusion
mc.heroku.com is used in Heroku marketing emails to track clicks, but is a CNAME to Marketo and doesn't support HTTPS.
Trac:
Username: titanous
mc.heroku.com is used in Heroku marketing emails to track clicks, but is a CNAME to Marketo and doesn't support HTTPS.
Trac:
Username: titanous
Reported also in https://github.com/EFForg/https-everywhere/issues/175. Fixed now.
closed