McAfee Anti-Spam Thunderbird Extension 2.0 and lower has been blocked for your protection.
- Why was it blocked?
- These versions of this add-on are known to cause frequent crashes in Thunderbird.
- Who is affected?
- What does this mean?
The problematic add-on or plugin will be automatically disabled and no longer usable.When Mozilla becomes aware of add-ons, plugins, or other third-party software that seriously compromises Firefox security, stability, or performance and meets certain criteria, the software may be blocked from general use. For more information, please read this support article.