diff --git a/src/main/kotlin/apply/infra/mail/AwsMailSender.kt b/src/main/kotlin/apply/infra/mail/AwsMailSender.kt
index cf6a23071..3ba0a0d11 100644
--- a/src/main/kotlin/apply/infra/mail/AwsMailSender.kt
+++ b/src/main/kotlin/apply/infra/mail/AwsMailSender.kt
@@ -21,6 +21,7 @@ import java.nio.ByteBuffer
 import java.util.Properties
 import javax.activation.DataHandler
 import javax.activation.DataSource
+import javax.activation.MimetypesFileTypeMap
 import javax.mail.Session
 import javax.mail.internet.InternetAddress
 import javax.mail.internet.MimeBodyPart
@@ -92,40 +93,40 @@ class AwsMailSender(
         // Add the multipart/alternative part to the message.
         msg.addBodyPart(wrap)
         // Define the attachment
-        val att = MimeBodyPart()
+
         // val fds: DataSource = ByteArrayDataSource(attachment, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet") <- 레퍼런스
         for ((fileName, fileData) in files) {
-            val fds: DataSource = ByteArrayDataSource(fileData.byteArray, "multipart/form-data")
+            val att = MimeBodyPart()
+            val fds: DataSource = ByteArrayDataSource(
+                fileData.byteArray,
+                MimetypesFileTypeMap().getContentType(fileName)
+            )
+            // val fds: DataSource = FileDataSource("C:\\Users\\kirin\\Desktop\\의문점 1.png")
+
             att.dataHandler = DataHandler(fds)
             att.fileName = fileName
             // val reportName = "PhotoReport.xls" <- 이 항목이 있는걸로 보아 att.fileName으로 이름을 붙여줄 수 있는듯
             // att.fileName = reportName
+            msg.addBodyPart(att)
         }
 
         // Add the attachment to the message.
-        msg.addBodyPart(att)
+
         // Try to send the email.
         try {
             // println("Attempting to send an email through Amazon SES " + "using the AWS SDK for Java...")
-            val client =
-                AmazonSimpleEmailServiceClientBuilder.standard() // Replace US_WEST_2 with the AWS Region you're using for
-                    // Amazon SES.
-                    .withRegion(Regions.US_WEST_2).build() // 지역은 우선 건드리지 않음
-
             // Print the raw email content on the console
             // Print the raw email content on the console
             val out = System.out
             message.writeTo(out)
-
             // Send the email.
-
             // Send the email.
             val outputStream = ByteArrayOutputStream()
             message.writeTo(outputStream)
             val rawMessage = RawMessage(ByteBuffer.wrap(outputStream.toByteArray()))
 
             val rawEmailRequest = SendRawEmailRequest(rawMessage)
-                .withConfigurationSetName("ConfigSet") // <- 기본값
+            // .withConfigurationSetName("ConfigSet") // <- 기본값
 
             client.sendRawEmail(rawEmailRequest)
             // println("Email sent!")