diff --git a/app/services/notifier/channels/email.rb b/app/services/notifier/channels/email.rb
index 1657ef8..8b78ec8 100644
--- a/app/services/notifier/channels/email.rb
+++ b/app/services/notifier/channels/email.rb
@@ -22,7 +22,7 @@ module Notifier
                            .deliver_now
       end
 
-      def ssl_notify_expires_soon(_notification)
+      def ssl_notify_expires_soon(check_notification)
         NotificationsMailer.with(check_notification: check_notification)
                            .ssl_expires_soon
                            .deliver_now
diff --git a/app/services/notifier/resolver.rb b/app/services/notifier/resolver.rb
index d99577f..df3cccc 100644
--- a/app/services/notifier/resolver.rb
+++ b/app/services/notifier/resolver.rb
@@ -13,6 +13,7 @@ module Notifier
     def checks_recurrent_failures(min_consecutive)
       Check
         .active
+        .auto
         .consecutive_failures(min_consecutive)
         .includes(:user)
         .where.not(user: ignore_users)
diff --git a/test/factories/checks.rb b/test/factories/checks.rb
index 27c383c..a808107 100644
--- a/test/factories/checks.rb
+++ b/test/factories/checks.rb
@@ -84,6 +84,15 @@ FactoryBot.define do
       active false
     end
 
+    trait :auto do
+      mode :auto
+    end
+
+    trait :manual do
+      mode :manual
+      domain "unupported.wxyz"
+    end
+
     trait :with_notifications do
       after :create do |check|
         create_list :check_notification, 2,
diff --git a/test/services/notifier/resolver_test.rb b/test/services/notifier/resolver_test.rb
index 80d09b2..b9efa0e 100644
--- a/test/services/notifier/resolver_test.rb
+++ b/test/services/notifier/resolver_test.rb
@@ -91,6 +91,16 @@ module Notifier
       assert_includes checks, c2
     end
 
+    test "#checks_recurrent_failures ignores manual checks" do
+      c1 = create(:check, :last_runs_failed, :manual)
+      c2 = create(:check, :last_runs_failed, :auto)
+
+      checks = @resolver.checks_recurrent_failures(4)
+
+      assert_not_includes checks, c1
+      assert_includes checks, c2
+    end
+
     test "#checks_recurrent_failures ignores user having notification disabled" do
       c1 = create(:check, :last_runs_failed)
       c1.user.update_attribute(:notifications_enabled, false)