diff --git a/app/config b/app/config
index 0ee561a..e85c606 160000
--- a/app/config
+++ b/app/config
@@ -1 +1 @@
-Subproject commit 0ee561a02299564c7f500be244d730cbd1fb76f0
+Subproject commit e85c606625246e82e8d41010d132c5d5c9d77ef4
diff --git a/app/src/main/kotlin/com/maggom/app/config/GmailFallbackMailConfig.kt b/app/src/main/kotlin/com/maggom/app/config/GmailFallbackMailConfig.kt
index d9472a3..e14a10b 100644
--- a/app/src/main/kotlin/com/maggom/app/config/GmailFallbackMailConfig.kt
+++ b/app/src/main/kotlin/com/maggom/app/config/GmailFallbackMailConfig.kt
@@ -10,6 +10,8 @@ import org.springframework.mail.javamail.JavaMailSenderImpl
 @Configuration
 @Profile("prod")
 class GmailFallbackMailConfig(
+    @Value("\${maggom.mail.fallback.host}") private val host: String,
+    @Value("\${maggom.mail.fallback.port}") private val port: Int,
     @Value("\${maggom.mail.fallback.username}") private val username: String,
     @Value("\${maggom.mail.fallback.password}") private val password: String,
 ) {
@@ -17,8 +19,8 @@ class GmailFallbackMailConfig(
     @Bean("gmailMailSender")
     fun gmailMailSender(): JavaMailSender {
         return JavaMailSenderImpl().apply {
-            host = "smtp.gmail.com"
-            port = 587
+            host = this@GmailFallbackMailConfig.host
+            port = this@GmailFallbackMailConfig.port
             this.username = username
             this.password = password
             javaMailProperties.apply {
diff --git a/app/src/main/resources/logback-spring.xml b/app/src/main/resources/logback-spring.xml
index cc3aa55..b5f3d0f 100644
--- a/app/src/main/resources/logback-spring.xml
+++ b/app/src/main/resources/logback-spring.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
 
+  <include resource="org/springframework/boot/logging/logback/defaults.xml"/>
+
   <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %5p --- %-40.40logger{40} : %m%n%wEx"/>
 
   <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
@@ -9,6 +11,10 @@
     </encoder>
   </appender>
 
+  <root level="INFO">
+    <appender-ref ref="CONSOLE"/>
+  </root>
+
   <springProfile name="prod">
     <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
       <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
@@ -29,10 +35,4 @@
     <logger name="com.zaxxer.hikari" level="WARN"/>
   </springProfile>
 
-  <springProfile name="!prod">
-    <root level="INFO">
-      <appender-ref ref="CONSOLE"/>
-    </root>
-  </springProfile>
-
 </configuration>