diff --git a/app/config b/app/config
index 5a23e8b..0ee561a 160000
--- a/app/config
+++ b/app/config
@@ -1 +1 @@
-Subproject commit 5a23e8b0fc29d2eebcabb156dbf7d0d09e3dacb2
+Subproject commit 0ee561a02299564c7f500be244d730cbd1fb76f0
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 e604573..d9472a3 100644
--- a/app/src/main/kotlin/com/maggom/app/config/GmailFallbackMailConfig.kt
+++ b/app/src/main/kotlin/com/maggom/app/config/GmailFallbackMailConfig.kt
@@ -25,6 +25,7 @@ class GmailFallbackMailConfig(
                 put("mail.smtp.auth", "true")
                 put("mail.smtp.starttls.enable", "true")
                 put("mail.smtp.starttls.required", "true")
+                put("mail.smtp.ssl.trust", "smtp.gmail.com")
                 put("mail.smtp.connectiontimeout", "5000")
                 put("mail.smtp.timeout", "5000")
                 put("mail.smtp.writetimeout", "5000")
diff --git a/app/src/main/resources/logback-spring.xml b/app/src/main/resources/logback-spring.xml
new file mode 100644
index 0000000..cc3aa55
--- /dev/null
+++ b/app/src/main/resources/logback-spring.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+
+  <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">
+    <encoder>
+      <pattern>${LOG_PATTERN}</pattern>
+    </encoder>
+  </appender>
+
+  <springProfile name="prod">
+    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+        <fileNamePattern>/logs/%d{yyyy-MM-dd}.log</fileNamePattern>
+        <maxHistory>7</maxHistory>
+      </rollingPolicy>
+      <encoder>
+        <pattern>${LOG_PATTERN}</pattern>
+      </encoder>
+    </appender>
+
+    <root level="INFO">
+      <appender-ref ref="CONSOLE"/>
+      <appender-ref ref="FILE"/>
+    </root>
+    <logger name="org.springframework" level="WARN"/>
+    <logger name="org.hibernate" level="WARN"/>
+    <logger name="com.zaxxer.hikari" level="WARN"/>
+  </springProfile>
+
+  <springProfile name="!prod">
+    <root level="INFO">
+      <appender-ref ref="CONSOLE"/>
+    </root>
+  </springProfile>
+
+</configuration>