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Firefox is blocking my ability to respond to known and trusted email. How can I change this?

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  • 5 have this problem
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  • Last reply by FredMcD

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This is the second time this has happened to me that I am not able to reply to a known and trusted email from my contact list. How do I give permission for these emails?

This is the second time this has happened to me that I am not able to reply to a known and trusted email from my contact list. How do I give permission for these emails?

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What is your computer system and Firefox?

This is a support forum for Mozilla Firefox. You will have to contact your e-mail provider for help. https://support.mozilla.org/en-US/kb/problems-with-email-how-to-find-help

Or are you talking about Thunderbird?


Many site issues can be caused by corrupt cookies or cache.

  • Clear the Cache and
  • Remove Cookies
    Warning ! ! This will log you out of sites you're logged in to.

Type about:preferences<Enter> in the address bar.

  • Cookies; Select Privacy. Under History, select Firefox will Use Custom Settings. Press the button on the right side called Show Cookies. Use the search bar to look for the site. Note; There may be more than one entry. Remove All of them.
  • Cache; Select Advanced > Network. Across from Cached Web Content, Press Clear Now.

If there is still a problem, Start Firefox in Safe Mode {web link} A small dialog should appear. Click Start In Safe Mode (not Refresh). While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe websites. Are there any problems?

Then restart.