MailTarget - Validate Email Address on InitializeTarget (#243)

Author: snakefoot

src/NLog.MailKit/MailTarget.cs

@@ -701,14 +701,14 @@ private bool AddAddresses(InternetAddressList mailAddressCollection, Layout? lay
                     try
                     {
                         mailAddressCollection.Add(MailboxAddress.Parse(mail));
+                        added = true;
                     }
                     catch (Exception ex)
                     {
                         InternalLogger.Error(ex, "{0}: Invalid email address: {1}", this, mailAddress);
                         if (allowThrow || LogManager.ThrowExceptions)
                             throw;
                     }
-                    added = true;
                 }
             }