There are many Mastodon instances with which your home instance federates but which you might not want to see in your timelines. Fortunately, you can hide all toots from a given instance.
1) In your home instance's web interface, open the account of a user on the server you wish to hide.
2) At the bottom of their profile, next to their follower/following stats, is a "..." menu. Click that.
3) At the bottom of the new context menu, click "Hide everything from <instance>".
@CM_noelle does that also remove your followers and following from the instance you select to hide? For instance, would muting example.abc remove my present following of user1.abc?
@Yarideki It will block /everything/, including the people you already follow, so be careful.
@CM_noelle thanks for the reply!
@CM_noelle Omg thank you for this. Although I only had the option to block the domain, not mute it.
@CM_noelle Took me two days to figure out how to do that
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!