diff --git a/plugins/chat/app/services/chat/create_message.rb b/plugins/chat/app/services/chat/create_message.rb
index 20daafd3818..f75e30a4c39 100644
--- a/plugins/chat/app/services/chat/create_message.rb
+++ b/plugins/chat/app/services/chat/create_message.rb
@@ -44,6 +44,7 @@ module Chat
       step :create_webhook_event
       step :update_channel_last_message
       step :update_membership_last_read
+      step :update_created_by_sdk
       step :process_direct_message_channel
     end
     step :publish_new_thread
@@ -65,6 +66,7 @@ module Chat
       attribute :process_inline, :boolean, default: Rails.env.test?
       attribute :force_thread, :boolean, default: false
       attribute :strip_whitespaces, :boolean, default: true
+      attribute :created_by_sdk, :boolean, default: false
 
       validates :chat_channel_id, presence: true
       validates :message, presence: true, if: -> { upload_ids.blank? }
@@ -187,6 +189,10 @@ module Chat
       membership.update!(last_read_message: message_instance)
     end
 
+    def update_created_by_sdk(message_instance:, contract:)
+      message_instance.created_by_sdk = contract.created_by_sdk
+    end
+
     def process_direct_message_channel(membership:)
       Chat::Action::PublishAndFollowDirectMessageChannel.call(channel_membership: membership)
     end
diff --git a/plugins/chat/db/migrate/20240711153837_add_created_by_sdk_to_chat_messages.rb b/plugins/chat/db/migrate/20240711153837_add_created_by_sdk_to_chat_messages.rb
new file mode 100644
index 00000000000..5c0008e03a6
--- /dev/null
+++ b/plugins/chat/db/migrate/20240711153837_add_created_by_sdk_to_chat_messages.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+class AddCreatedBySdkToChatMessages < ActiveRecord::Migration[7.1]
+  def change
+    add_column :chat_messages, :created_by_sdk, :boolean
+  end
+end
diff --git a/plugins/chat/db/post_migrate/20240711154622_update_chat_messages_created_by_sdk.rb b/plugins/chat/db/post_migrate/20240711154622_update_chat_messages_created_by_sdk.rb
new file mode 100644
index 00000000000..19464c23d1e
--- /dev/null
+++ b/plugins/chat/db/post_migrate/20240711154622_update_chat_messages_created_by_sdk.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+class UpdateChatMessagesCreatedBySdk < ActiveRecord::Migration[7.1]
+  def up
+    change_column_default :chat_messages, :created_by_sdk, false
+
+    if DB.query_single("SELECT 1 FROM chat_messages WHERE created_by_sdk IS NULL LIMIT 1").first
+      batch_size = 10_000
+      min_id = DB.query_single("SELECT MIN(id) FROM chat_messages").first.to_i
+      max_id = DB.query_single("SELECT MAX(id) FROM chat_messages").first.to_i
+      while max_id >= min_id
+        DB.exec(
+          "UPDATE chat_messages SET created_by_sdk = false WHERE id > #{max_id - batch_size} AND id <= #{max_id}",
+        )
+        max_id -= batch_size
+      end
+    end
+
+    change_column_null :chat_messages, :created_by_sdk, false
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end
diff --git a/plugins/chat/lib/chat/mailer.rb b/plugins/chat/lib/chat/mailer.rb
index 56e7806c3df..53ef482e820 100644
--- a/plugins/chat/lib/chat/mailer.rb
+++ b/plugins/chat/lib/chat/mailer.rb
@@ -56,6 +56,7 @@ module Chat
         AND chat_messages.deleted_at IS NULL
         AND chat_messages.created_at > now() - interval '1 week'
         AND chat_messages.user_id <> users.id
+        AND chat_messages.created_by_sdk = false
         AND (
           (chat_channels.chatable_type = 'DirectMessage' AND user_options.allow_private_messages) OR
           (chat_channels.chatable_type = 'Category' AND uccm.following AND NOT notifications.read)
diff --git a/plugins/chat/lib/chat_sdk/message.rb b/plugins/chat/lib/chat_sdk/message.rb
index 0e4ba3c5d72..d5808abfbf3 100644
--- a/plugins/chat/lib/chat_sdk/message.rb
+++ b/plugins/chat/lib/chat_sdk/message.rb
@@ -133,6 +133,7 @@ module ChatSDK
           enforce_membership: enforce_membership,
           force_thread: force_thread,
           strip_whitespaces: strip_whitespaces,
+          created_by_sdk: true,
         ) do
           on_model_not_found(:channel) { raise "Couldn't find channel with id: `#{channel_id}`" }
           on_model_not_found(:membership) do
diff --git a/plugins/chat/spec/components/chat/mailer_spec.rb b/plugins/chat/spec/components/chat/mailer_spec.rb
index fadf1fb3d1f..89787e7879f 100644
--- a/plugins/chat/spec/components/chat/mailer_spec.rb
+++ b/plugins/chat/spec/components/chat/mailer_spec.rb
@@ -147,6 +147,11 @@ describe Chat::Mailer do
         expect_not_enqueued
       end
 
+      it "does not queue a chat summary email when chat message was created by the SDK" do
+        chat_message.update!(created_by_sdk: true)
+        expect_not_enqueued
+      end
+
       it "queues a chat summary email even when user has private messages disabled" do
         user.user_option.update!(allow_private_messages: false)
         expect_enqueued
diff --git a/plugins/chat/spec/lib/chat_sdk/message_spec.rb b/plugins/chat/spec/lib/chat_sdk/message_spec.rb
index 045762edae7..a9814c123f7 100644
--- a/plugins/chat/spec/lib/chat_sdk/message_spec.rb
+++ b/plugins/chat/spec/lib/chat_sdk/message_spec.rb
@@ -15,6 +15,11 @@ describe ChatSDK::Message do
       expect(message.message).to eq("something")
     end
 
+    it "sets created_by_sdk to true" do
+      message = described_class.create(**params)
+      expect(message).to have_attributes(created_by_sdk: true)
+    end
+
     context "when thread_id is present" do
       fab!(:thread_1) { Fabricate(:chat_thread, channel: channel_1) }