diff --git a/packages/backend/src/remote/activitypub/deliver-manager.ts b/packages/backend/src/remote/activitypub/deliver-manager.ts
index e0af5b8f9..1f5702ae7 100644
--- a/packages/backend/src/remote/activitypub/deliver-manager.ts
+++ b/packages/backend/src/remote/activitypub/deliver-manager.ts
@@ -8,6 +8,10 @@ interface IRecipe {
 	type: string;
 }
 
+interface IEveryoneRecipe extends IRecipe {
+	type: 'Everyone';
+}
+
 interface IFollowersRecipe extends IRecipe {
 	type: 'Followers';
 }
@@ -17,6 +21,9 @@ interface IDirectRecipe extends IRecipe {
 	to: IRemoteUser;
 }
 
+const isEveryone = (recipe: any): recipe is IEveryoneRecipe =>
+	recipe.type === 'Everyone';
+
 const isFollowers = (recipe: any): recipe is IFollowersRecipe =>
 	recipe.type === 'Followers';
 
@@ -63,6 +70,13 @@ export default class DeliverManager {
 		this.addRecipe(recipe);
 	}
 
+	/**
+	 * Add recipe to send this activity to all known sharedInboxes
+	 */
+	public addEveryone() {
+		this.addRecipe({ type: 'Everyone' } as IEveryoneRecipe);
+	}
+
 	/**
 	 * Add recipe
 	 * @param recipe Recipe
@@ -82,9 +96,26 @@ export default class DeliverManager {
 		/*
 		build inbox list
 
-		Process follower recipes first to avoid duplication when processing
-		direct recipes later.
+		Processing order matters to avoid duplication.
 		*/
+
+		if (this.recipes.some(r => isEveryone(r))) {
+			// deliver to all of known network
+			const sharedInboxes = await Users.createQueryBuilder('users')
+				.select('users.sharedInbox', 'sharedInbox')
+				// so we don't have to make our inboxes Set work as hard
+				.distinct(true)
+				// can't deliver to unknown shared inbox
+				.where('users.sharedInbox IS NOT NULL')
+				// don't deliver to ourselves
+				.andWhere('users.host IS NOT NULL')
+				.getRawMany();
+
+			for (const inbox of sharedInboxes) {
+				inboxes.add(inbox.sharedInbox);
+			}
+		}
+
 		if (this.recipes.some(r => isFollowers(r))) {
 			// followers deliver
 			// TODO: SELECT DISTINCT ON ("followerSharedInbox") "followerSharedInbox" みたいな問い合わせにすればよりパフォーマンス向上できそう
diff --git a/packages/backend/src/services/note/delete.ts b/packages/backend/src/services/note/delete.ts
index 02df9e97f..572fc8251 100644
--- a/packages/backend/src/services/note/delete.ts
+++ b/packages/backend/src/services/note/delete.ts
@@ -10,7 +10,7 @@ import { User, ILocalUser, IRemoteUser } from '@/models/entities/user.js';
 import { Note } from '@/models/entities/note.js';
 import { Notes, Users, Instances } from '@/models/index.js';
 import { notesChart, perUserNotesChart, instanceChart } from '@/services/chart/index.js';
-import { deliverToFollowers, deliverToUser } from '@/remote/activitypub/deliver-manager.js';
+import DeliverManager from '@/remote/activitypub/deliver-manager.js';
 import { countSameRenotes } from '@/misc/count-same-renotes.js';
 import { isPureRenote } from '@/misc/renote.js';
 import { registerOrFetchInstanceDoc } from '../register-or-fetch-instance-doc.js';
@@ -132,10 +132,22 @@ async function getMentionedRemoteUsers(note: Note): Promise<IRemoteUser[]> {
 }
 
 async function deliverToConcerned(user: { id: ILocalUser['id']; host: null; }, note: Note, content: any) {
-	deliverToFollowers(user, content);
-	deliverToRelays(user, content);
+	const manager = new DeliverManager(user, content);
+
 	const remoteUsers = await getMentionedRemoteUsers(note);
 	for (const remoteUser of remoteUsers) {
-		deliverToUser(user, content, remoteUser);
+		manager.addDirectRecipe(remoteUser);
 	}
+
+	if (['public', 'home', 'followers'].includes(note.visibility)) {
+		manager.addFollowersRecipe();
+	}
+
+	if (['public', 'home'].includes(note.visibility)) {
+		manager.addEveryone();
+	}
+
+	await manager.execute();
+
+	deliverToRelays(user, content);
 }