Do admins bypass "Max mentions per post" setting value?

Canapin · 12 באוקטובר,‏ 2025,‏ 12:24pm

I need to mention several dozen users in a public topic.

The use case: we are gathering photos to be set in a welcome banner. The photo selection contains several dozen pictures posted by many members.

I want to get the authorization from each author before putting them in a banner, while showing the selection to anyone so it can be discussed as well.

My topic will contain all the selected pictures, and a @mention of each author so they can agree or not.

I could set the Max mentions per post to an arbitrarily high value for this purpose, but I’d like to know if this setting is bypassed by admin or staff.

Also, can technical issues come from mentioning a high number of users?

jahan_gagan · 13 באוקטובר,‏ 2025,‏ 9:17am

The limit is not applied to admins and staff. Staff members (moderators and admins) can mention as many users as needed in a single post.

github.com/discourse/discourse

lib/validators/post_validator.rb

main


      
          def max_mention_validator(post)
            return if post.acting_user&.staff?
          
            if acting_user_is_trusted?(post) || private_message?(post)
              add_error_if_count_exceeded(
                post,
                :no_mentions_allowed,
                :too_many_mentions,
                post.raw_mentions.size,
                SiteSetting.max_mentions_per_post,
              )
            else
              add_error_if_count_exceeded(
                post,
                :no_mentions_allowed_newuser,
                :too_many_mentions_newuser,
                post.raw_mentions.size,
                SiteSetting.newuser_max_mentions_per_post,
              )
            end
          end

If you mention an extremely large number of users very frequently, you might cause performance issues—primarily related to notifications and emails.

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Unable to mention groups >250 members Support	7	442	2 בינואר,‏ 2023
Staff should be exempt from user mention limit Feature	14	3015	1 בפברואר,‏ 2016
Dealing with user mentions Community mentions	18	3827	7 במרץ,‏ 2018
Prevent email addresses from being counted as mentions Bug	8	1441	12 בינואר,‏ 2016
This group has more members than the administrator configured mention limit Support	2	520	8 ביוני,‏ 2024

Do admins bypass "Max mentions per post" setting value?

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