diff --git a/src/main/kotlin/apply/application/mail/MailMessageService.kt b/src/main/kotlin/apply/application/mail/MailMessageService.kt
index 0a87b31fd..ded9d0dc9 100644
--- a/src/main/kotlin/apply/application/mail/MailMessageService.kt
+++ b/src/main/kotlin/apply/application/mail/MailMessageService.kt
@@ -69,7 +69,7 @@ class MailMessageService(
         reservations.forEach { mailReservation ->
             mailReservation.send()
             mailReservationRepository.save(mailReservation)
-            sendingMailService.sendByBccSynchronous(MailData(messagesById.getValue(mailReservation.mailMessageId)))
+            sendingMailService.sendMailByBccSynchronous(MailData(messagesById.getValue(mailReservation.mailMessageId)))
             mailReservation.finish()
         }
     }
diff --git a/src/main/kotlin/apply/application/mail/SendingMailService.kt b/src/main/kotlin/apply/application/mail/SendingMailService.kt
index bae8ffec3..7fb80fe52 100644
--- a/src/main/kotlin/apply/application/mail/SendingMailService.kt
+++ b/src/main/kotlin/apply/application/mail/SendingMailService.kt
@@ -91,7 +91,7 @@ class SendingMailService(
     }
 
     @Async
-    fun sendByBcc(request: MailData, files: Map<String, ByteArrayResource>) {
+    fun sendMailByBcc(request: MailData, files: Map<String, ByteArrayResource>) {
         val mailMessage = mailMessageRepository.save(request.toMailMessage())
         val body = generateMailBody(request)
         val recipients = request.recipients + mailProperties.username
@@ -107,7 +107,7 @@ class SendingMailService(
         saveMailHistories(mailMessage.id, succeeded, failed)
     }
 
-    fun sendByBccSynchronous(request: MailData, files: Map<String, ByteArrayResource> = emptyMap()) {
+    fun sendMailByBccSynchronous(request: MailData, files: Map<String, ByteArrayResource> = emptyMap()) {
         val mailMessage = mailMessageRepository.save(request.toMailMessage())
         val body = generateMailBody(request)
         val recipients = mailMessage.recipients + mailProperties.username
diff --git a/src/main/kotlin/apply/ui/admin/mail/MailsFormView.kt b/src/main/kotlin/apply/ui/admin/mail/MailsFormView.kt
index f1c657a43..f19c22fa8 100644
--- a/src/main/kotlin/apply/ui/admin/mail/MailsFormView.kt
+++ b/src/main/kotlin/apply/ui/admin/mail/MailsFormView.kt
@@ -70,7 +70,7 @@ class MailsFormView(
             if (result == null) {
                 createNotification("받는사람을 한 명 이상 지정해야 합니다.")
             } else {
-                sendingMailService.sendByBcc(result, result.attachments)
+                sendingMailService.sendMailByBcc(result, result.attachments)
                 UI.getCurrent().navigate(MailsView::class.java)
             }
         }
diff --git a/src/main/kotlin/apply/ui/api/MailRestController.kt b/src/main/kotlin/apply/ui/api/MailRestController.kt
index 0e72e9c5c..31b31b32f 100644
--- a/src/main/kotlin/apply/ui/api/MailRestController.kt
+++ b/src/main/kotlin/apply/ui/api/MailRestController.kt
@@ -27,7 +27,7 @@ class MailRestController(
         @LoginUser(administrator = true) user: User
     ): ResponseEntity<Unit> {
         val inputStreamFiles = files.associate { (it.originalFilename!! to ByteArrayResource(it.bytes)) }
-        sendingMailService.sendByBcc(request, inputStreamFiles)
+        sendingMailService.sendMailByBcc(request, inputStreamFiles)
         return ResponseEntity.noContent().build()
     }