5a:T489,

This addon allows you to prevent all of your characters on your account from joining any (or all) of the following Channels:

Services Chat (Blocked by Default in Retail)
General Chat
Trade Chat
LocalDefense Chat
WorldDefense Chat (Classic/Era Only)
LookingForGroup Chat
HardcoreDeaths Chat (Era Only)
GuildRecruitment Chat (Era Only)

Configuration

You can configure the addon by typing /blockblizzchatchannels into chat, or from the 'Block Blizzard Chat Channels' section of the Game Options.

By default, the Services Channel is blocked, and you'll need to configure the addon to block any other channels you do not want to see.

Ticking a box will take effect immediately, and will affect all of your characters account wide.

You can click the 'Rejoin' button to make your current character join all of the channels that you have not blocked.

Translations

Russian by ZamestoTV

5b:T459,The MIT License Copyright (c) <year> <copyright holders> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.