3 files changed, 12 insertions, 0 deletions
diff --git a/src/net/eathena/mailhandler.cpp b/src/net/eathena/mailhandler.cpp
index 006c5e9a2..ea420cfc4 100644
--- a/src/net/eathena/mailhandler.cpp
+++ b/src/net/eathena/mailhandler.cpp
@@ -22,6 +22,8 @@
 
 #include "logger.h"
 
+#include "net/ea/eaprotocol.h"
+
 #include "net/eathena/messageout.h"
 #include "net/eathena/protocol.h"
 
@@ -104,4 +106,11 @@ void MailHandler::returnMessage(const int msgId)
     outMsg.writeString("", 24, "unused");
 }
 
+void MailHandler::setAttach(const int index, const int amount)
+{
+    MessageOut outMsg(CMSG_MAIL_SET_ATTACH);
+    outMsg.writeInt16(static_cast<int16_t>(index + INVENTORY_OFFSET), "index");
+    outMsg.writeInt32(amount, "amount");
+}
+
 }  // namespace EAthena
diff --git a/src/net/eathena/mailhandler.h b/src/net/eathena/mailhandler.h
index a90f3cbea..b6d2b9080 100644
--- a/src/net/eathena/mailhandler.h
+++ b/src/net/eathena/mailhandler.h
@@ -48,6 +48,8 @@ class MailHandler final : public MessageHandler, public Net::MailHandler
 
         void returnMessage(const int msgId) override final;
 
+        void setAttach(const int index, const int amount) override final;
+
     protected:
         void processMailOpen(Net::MessageIn &msg) const;
 };
diff --git a/src/net/eathena/protocol.h b/src/net/eathena/protocol.h
index 1196988aa..d28806559 100644
--- a/src/net/eathena/protocol.h
+++ b/src/net/eathena/protocol.h
@@ -371,6 +371,7 @@
 #define CMSG_MAIL_GET_ATTACH         0x0244
 #define CMSG_MAIL_DELETE_MESSAGE     0x0243
 #define CMSG_MAIL_RETURN_MESSAGE     0x0273
+#define CMSG_MAIL_SET_ATTACH         0x0247
 
 #define SMSG_SOLVE_CHAR_NAME         0x0194
 #define SMSG_SKILL_CASTING           0x07fb