This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Site from Constant Contact blocked (r20.rs6.net).

  • 1 jibu
  • 0 wana tatizo hili
  • 4 views
  • Last reply by cor-el

BarryW
BarryW
more options

See attached screen grab of error message.

We use primarily Thunderbird and Firefox (latest versions). Everything works normally except a site from Constant Contact (that tracks when a customer/client opens or clicks on an email. We normally use uBlock and the problem occurs with and without that extension installed. I'm stumped. Thanks for any helpful you can provide.

See attached screen grab of error message. We use primarily Thunderbird and Firefox (latest versions). Everything works normally except a site from Constant Contact (that tracks when a customer/client opens or clicks on an email. We normally use uBlock and the problem occurs with and without that extension installed. I'm stumped. Thanks for any helpful you can provide.
Attached screenshots

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

See: