diff --git a/src/main/java/net/frozenorb/apiv3/util/MandrillUtils.java b/src/main/java/net/frozenorb/apiv3/util/MandrillUtils.java
index e63b01b..7c02886 100644
--- a/src/main/java/net/frozenorb/apiv3/util/MandrillUtils.java
+++ b/src/main/java/net/frozenorb/apiv3/util/MandrillUtils.java
@@ -4,10 +4,13 @@ import com.google.common.net.MediaType;
 import com.mongodb.async.SingleResultCallback;
 import io.vertx.core.http.HttpClient;
 import io.vertx.core.http.HttpHeaders;
+import io.vertx.core.json.JsonArray;
 import io.vertx.core.json.JsonObject;
 import lombok.experimental.UtilityClass;
 import net.frozenorb.apiv3.APIv3;
 
+import java.io.IOException;
+
 @UtilityClass
 public class MandrillUtils {
 
@@ -15,16 +18,28 @@ public class MandrillUtils {
 	private static final HttpClient httpClient = APIv3.getVertxInstance().createHttpClient();
 
 	public static void sendEmail(JsonObject message, SingleResultCallback<Void> callback) {
-		JsonObject body = new JsonObject()
+		JsonObject requestBody = new JsonObject()
 				.put("key", mandrillApiKey)
 				.put("message", message);
 
 		httpClient.post("mandrillapp.com", "/api/1.0/messages/send.json", (response) -> {
-			response.bodyHandler((ignored) -> callback.onResult(null, null));
+			response.bodyHandler((responseBody) -> {
+				try {
+					JsonArray bodyJson = new JsonArray(responseBody.toString());
+					JsonObject emailJson = bodyJson.getJsonObject(0);
+					String emailStatus = emailJson.getString("status");
+
+					if (emailStatus.equals("rejected") || emailStatus.equals("invalid")) {
+						callback.onResult(null, new IOException("Illegal email status while reading Mandrill response: " + emailStatus + " (" + emailJson.encode() + ")"));
+					} else {
+						callback.onResult(null, null);
+					}
+				} catch (Exception ex) {
+					callback.onResult(null, new IOException("Failed to process Mandrill response: " + responseBody, ex));
+				}
+			});
 			response.exceptionHandler((error) -> callback.onResult(null, error));
-		})
-				.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.JSON_UTF_8.toString())
-				.end(body.encode());
+		}).putHeader(HttpHeaders.CONTENT_TYPE, MediaType.JSON_UTF_8.toString()).end(requestBody.encode());
 	}
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/util/MaxMindUtils.java b/src/main/java/net/frozenorb/apiv3/util/MaxMindUtils.java
index 3866fe4..98db270 100644
--- a/src/main/java/net/frozenorb/apiv3/util/MaxMindUtils.java
+++ b/src/main/java/net/frozenorb/apiv3/util/MaxMindUtils.java
@@ -62,9 +62,7 @@ public class MaxMindUtils {
 						future.fail(error);
 					}
 				});
-			})
-					.putHeader("Authorization", authHeader)
-					.end();
+			}).putHeader("Authorization", authHeader).end();
 		}).setHandler((result) -> {
 			if (result.failed()) {
 				callback.onResult(null, result.cause());
diff --git a/src/main/java/net/frozenorb/apiv3/util/ZangUtils.java b/src/main/java/net/frozenorb/apiv3/util/ZangUtils.java
index f9638aa..aae9e40 100644
--- a/src/main/java/net/frozenorb/apiv3/util/ZangUtils.java
+++ b/src/main/java/net/frozenorb/apiv3/util/ZangUtils.java
@@ -36,10 +36,7 @@ public class ZangUtils {
 			});
 
 			response.exceptionHandler((error) -> callback.onResult(null, error));
-		})
-				.putHeader("Authorization", authHeader)
-				.putHeader(HttpHeaders.CONTENT_TYPE, MediaType.JSON_UTF_8.toString())
-				.end("To=" + to + "&From=339-337-5300&Body=" + messageBody);
+		}).putHeader("Authorization", authHeader).putHeader(HttpHeaders.CONTENT_TYPE, MediaType.JSON_UTF_8.toString()).end("To=" + to + "&From=339-337-5300&Body=" + messageBody);
 	}
 
 	public static void getCarrierInfo(String phoneNumber, SingleResultCallback<ZangResult> callback) {