Customise sender and title too. Add statement of use

src/main/java/emu/grasscutter/Config.java

@@ -82,7 +82,9 @@ public final class Config {
 		public int ServerAvatarId = 10000007;
 		public int[] WelcomeEmotes = {2007, 1002, 4010};
 		public String WelcomeMotd = "Welcome to Grasscutter emu";
-		public String WelcomeMailContent = "Hi there!\r\nFirst of all, welcome to Grasscutter. If you have any issues, please let us know so that Lawnmower can help you! \r\n\r\nCheck out our:\r\n<type=\"browser\" text=\"Discord\" href=\"https://discord.gg/T5vZU6UyeG\"/> <type=\"browser\" text=\"GitHub\" href=\"https://github.com/Melledy/Grasscutter\"/>";
+		public String WelcomeMailTitle = "Welcome to Grasscutter!";
+		public String WelcomeMailSender = "Lawnmower";
+		public String WelcomeMailContent = "Hi there!\r\nFirst of all, welcome to Grasscutter. If you have any issues, please let us know so that Lawnmower can help you! \r\n\r\nCheck out our:\r\n<type=\"browser\" text=\"Discord\" href=\"https://discord.gg/T5vZU6UyeG\"/>";
 		public Mail.MailItem[] WelcomeMailItems = {
 				new Mail.MailItem(13509, 1, 1),
 				new Mail.MailItem(201, 10000, 1),

src/main/java/emu/grasscutter/data/GameData.java

@@ -74,8 +74,6 @@ public class GameData {
 	private static Map<Integer, List<ShopGoodsData>> shopGoods = new HashMap<>();
 	private static final IntList scenePointIdList = new IntArrayList();
 	
-	public static char EJWOA = 's';
-	
 	public static Int2ObjectMap<?> getMapByResourceDef(Class<?> resourceDefinition) {
 		Int2ObjectMap<?> map = null;
 		

src/main/java/emu/grasscutter/database/DatabaseHelper.java

@@ -234,6 +234,4 @@ public final class DatabaseHelper {
 		DeleteResult result = DatabaseManager.getDatastore().delete(mail);
 		return result.wasAcknowledged();
 	}
-
-	public static char AWJVN = 'e';
 }

src/main/java/emu/grasscutter/net/packet/PacketOpcodes.java

@@ -3,7 +3,6 @@ package emu.grasscutter.net.packet;
 public class PacketOpcodes {
     // Empty
     public static final int NONE = 0;
-    public static final char ONLWE = 'u';
 
     // Opcodes
     public static final int AbilityChangeNotify = 1179;

src/main/java/emu/grasscutter/server/packet/recv/HandlerSetPlayerBornDataReq.java

@@ -85,15 +85,11 @@ public class HandlerSetPlayerBornDataReq extends PacketHandler {
 			session.send(new BasePacket(PacketOpcodes.SetPlayerBornDataRsp));
 
 			// Default mail
-			char d = 'G';
-			char e = 'r';
-			char z = 'a';
-			char u = 'c';
-			char s = 't';
 			MailBuilder mailBuilder = new MailBuilder(player.getUid(), new Mail());
-			mailBuilder.mail.mailContent.title = String.format("W%sl%som%s to %s%s%s%s%s%s%s%s%s%s%s!", DatabaseHelper.AWJVN, u, DatabaseHelper.AWJVN, d, e, z, GameData.EJWOA, GameData.EJWOA, u, PacketOpcodes.ONLWE, s, s, DatabaseHelper.AWJVN, e);
-			mailBuilder.mail.mailContent.sender = String.format("L%swnmow%s%s @ Gi%sH%sb", z, DatabaseHelper.AWJVN, e, s, PacketOpcodes.ONLWE);
-			mailBuilder.mail.mailContent.content = Grasscutter.getConfig().GameServer.WelcomeMailContent;
+			mailBuilder.mail.mailContent.title = Grasscutter.getConfig().GameServer.WelcomeMailTitle;
+			mailBuilder.mail.mailContent.sender = Grasscutter.getConfig().GameServer.WelcomeMailSender;
+			// Please credit Grasscutter if changing something here. We don't condone commercial use of the project.
+			mailBuilder.mail.mailContent.content = Grasscutter.getConfig().GameServer.WelcomeMailContent + "\n<type=\"browser\" text=\"GitHub\" href=\"https://github.com/Melledy/Grasscutter\"/>";
 			mailBuilder.mail.itemList.addAll(Arrays.asList(Grasscutter.getConfig().GameServer.WelcomeMailItems));
 			mailBuilder.mail.importance = 1;
 			player.sendMail(mailBuilder.mail);