diff --git a/main.go b/main.go
index b90639c..e772a15 100644
--- a/main.go
+++ b/main.go
@@ -19,13 +19,6 @@ var (
 	errInvalidSignature = errors.New("invalid signature")
 )
 
-// Can't be const because need reference to variable for Slack webhook title
-var (
-	ClickedLink   string = "Clicked Link"
-	SubmittedData string = "Submitted Data"
-	EmailOpened   string = "Email Opened"
-)
-
 func validateSignature(body []byte, r *http.Request) error {
 	secret := viper.GetString("secret")
 	mac := hmac.New(sha256.New, []byte(secret))
@@ -65,6 +58,10 @@ func handler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if response.Success {
+		return
+	}
+
 	sender, err := senderDispatch(response.Message, response, []byte(response.Details))
 	if err != nil {
 		log.Error(err)
diff --git a/messages.go b/messages.go
index 47134aa..b400709 100644
--- a/messages.go
+++ b/messages.go
@@ -11,6 +11,13 @@ import (
 	"github.com/spf13/viper"
 )
 
+// Can't be const because need reference to variable for Slack webhook title
+var (
+	ClickedLink   string = "Clicked Link"
+	SubmittedData string = "Submitted Data"
+	EmailOpened   string = "Email Opened"
+)
+
 type Sender interface {
 	SendSlack() error
 	SendEmail() error
@@ -33,7 +40,7 @@ func senderDispatch(status string, webhookResponse WebhookResponse, response []b
 // More information about events can be found here:
 // https://github.com/gophish/gophish/blob/db63ee978dcd678caee0db71e5e1b91f9f293880/models/result.go#L50
 type WebhookResponse struct {
-	Success    string `json:"success"`
+	Success    bool   `json:"success"`
 	CampaignID uint   `json:"campaign_id"`
 	Message    string `json:"message"`
 	Details    string `json:"details"`