diff --git a/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/email/SnailJobMailProperties.java b/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/email/SnailJobMailProperties.java
index 12ce89736..aac4f40a7 100644
--- a/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/email/SnailJobMailProperties.java
+++ b/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/email/SnailJobMailProperties.java
@@ -5,6 +5,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.Configuration;
 
 import java.io.Serializable;
+import java.util.Map;
 
 /**
  * @author: opensnail
@@ -71,4 +72,10 @@ public class SnailJobMailProperties implements Serializable {
      */
     private Long connectionTimeout;
 
+    /**
+     * 额外的会话属性
+     * eg: mail.smtp.ssl.trust
+     */
+    private Map<String,String> properties;
+
 }
diff --git a/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/strategy/EmailAlarm.java b/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/strategy/EmailAlarm.java
index 812a09ff0..046e77386 100644
--- a/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/strategy/EmailAlarm.java
+++ b/snail-job-common/snail-job-common-core/src/main/java/com/aizuda/snailjob/common/core/alarm/strategy/EmailAlarm.java
@@ -1,5 +1,6 @@
 package com.aizuda.snailjob.common.core.alarm.strategy;
 
+import cn.hutool.core.util.ObjUtil;
 import com.aizuda.snailjob.common.core.alarm.AlarmContext;
 import com.aizuda.snailjob.common.core.alarm.attribute.EmailAttribute;
 import com.aizuda.snailjob.common.core.alarm.email.MailAccount;
@@ -85,6 +86,11 @@ public class EmailAlarm extends AbstractAlarm<AlarmContext> {
         account.setSslEnable(Optional.ofNullable(snailJobMailProperties.getSslEnable()).orElse(Boolean.FALSE));
         account.setTimeout(Optional.ofNullable(snailJobMailProperties.getTimeout()).orElse(0L));
         account.setConnectionTimeout(Optional.ofNullable(snailJobMailProperties.getConnectionTimeout()).orElse(0L));
+
+        if (ObjUtil.isNotEmpty(snailJobMailProperties.getProperties())) {
+            snailJobMailProperties.getProperties().forEach(account::setCustomProperty);
+        }
+
         return account;
     }
 }