diff --git a/app/services/post_alerter.rb b/app/services/post_alerter.rb
index 86cf77f829..5051070eda 100644
--- a/app/services/post_alerter.rb
+++ b/app/services/post_alerter.rb
@@ -577,11 +577,6 @@ class PostAlerter
     users
   end
 
-  def group_notifying_via_smtp(post)
-    return nil if !SiteSetting.enable_smtp || post.post_type != Post.types[:regular]
-    post.topic.allowed_groups.where(smtp_enabled: true).first
-  end
-
   def notify_pm_users(post, reply_to_user, notified)
     return unless post.topic
 
@@ -624,6 +619,11 @@ class PostAlerter
     end
   end
 
+  def group_notifying_via_smtp(post)
+    return nil if !SiteSetting.enable_smtp || !SiteSetting.enable_imap || post.post_type != Post.types[:regular]
+    post.topic.allowed_groups.where(smtp_enabled: true, imap_enabled: true).first
+  end
+
   def notify_group_direct_emailers(post)
     email_addresses = []
     emails_to_skip_send = []
diff --git a/spec/mailers/group_smtp_mailer_spec.rb b/spec/mailers/group_smtp_mailer_spec.rb
index 5858418a23..0eedddab14 100644
--- a/spec/mailers/group_smtp_mailer_spec.rb
+++ b/spec/mailers/group_smtp_mailer_spec.rb
@@ -101,17 +101,13 @@ describe GroupSmtpMailer do
         group.update(imap_enabled: false)
       end
 
-      it "uses the reply key based reply to address" do
+      it "does not send the email" do
         post = PostCreator.create(user,
                                   topic_id: receiver.incoming_email.topic.id,
                                   raw: raw
                                  )
 
-        expect(ActionMailer::Base.deliveries.size).to eq(1)
-
-        sent_mail = ActionMailer::Base.deliveries[0]
-        post_reply_key = PostReplyKey.last
-        expect(sent_mail.reply_to).to contain_exactly("test+#{post_reply_key.reply_key}@test.com")
+        expect(ActionMailer::Base.deliveries.size).to eq(0)
       end
     end
   end
diff --git a/spec/services/post_alerter_spec.rb b/spec/services/post_alerter_spec.rb
index 609100ad27..ea7cd26f0a 100644
--- a/spec/services/post_alerter_spec.rb
+++ b/spec/services/post_alerter_spec.rb
@@ -1295,17 +1295,23 @@ describe PostAlerter do
   context "SMTP (group_smtp_email)" do
     before do
       SiteSetting.enable_smtp = true
+      SiteSetting.enable_imap = true
       Jobs.run_immediately!
     end
 
     fab!(:group) do
       Fabricate(
         :group,
-        smtp_server: "imap.gmail.com",
+        smtp_server: "smtp.gmail.com",
         smtp_port: 587,
+        smtp_ssl: true,
+        imap_server: "imap.gmail.com",
+        imap_port: 993,
+        imap_ssl: true,
         email_username: "discourse@example.com",
-        email_password: "discourse@example.com",
-        smtp_enabled: true
+        email_password: "password",
+        smtp_enabled: true,
+        imap_enabled: true
       )
     end
 
@@ -1349,6 +1355,27 @@ describe PostAlerter do
       expect(email.subject).to eq("Re: #{topic.title}")
     end
 
+    it "does not send a group smtp email if imap is not enabled for the group" do
+      group.update!(imap_enabled: false)
+      create_post_with_incoming
+      post = Fabricate(:post, topic: topic)
+      expect { PostAlerter.new.after_save_post(post, true) }.to change { ActionMailer::Base.deliveries.size }.by(0)
+    end
+
+    it "does not send a group smtp email if SiteSetting.enable_imap is false" do
+      SiteSetting.enable_imap = false
+      create_post_with_incoming
+      post = Fabricate(:post, topic: topic)
+      expect { PostAlerter.new.after_save_post(post, true) }.to change { ActionMailer::Base.deliveries.size }.by(0)
+    end
+
+    it "does not send a group smtp email if SiteSetting.enable_smtp is false" do
+      SiteSetting.enable_smtp = false
+      create_post_with_incoming
+      post = Fabricate(:post, topic: topic)
+      expect { PostAlerter.new.after_save_post(post, true) }.to change { ActionMailer::Base.deliveries.size }.by(0)
+    end
+
     it "does not send group smtp emails for a whisper" do
       create_post_with_incoming
       post = Fabricate(:post, topic: topic, post_type: Post.types[:whisper])