diff --git a/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailResponse.java b/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailResponse.java
index 7774564..4d56343 100644
--- a/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailResponse.java
+++ b/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailResponse.java
@@ -13,5 +13,7 @@ public class SystemEmailResponse {
 
     private Integer smtpPort;
 
+    private Boolean useSSL;
+
     private LocalDateTime createAt;
 }
diff --git a/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailUpdateRequest.java b/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailUpdateRequest.java
index 2d6a490..3094e16 100644
--- a/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailUpdateRequest.java
+++ b/core/src/main/java/com/databasir/core/domain/system/data/SystemEmailUpdateRequest.java
@@ -21,4 +21,7 @@ public class SystemEmailUpdateRequest {
     @Max(65535L)
     private Integer smtpPort;
 
+    @NotNull
+    private Boolean useSSL;
+
 }
diff --git a/core/src/main/java/com/databasir/core/domain/system/service/SystemService.java b/core/src/main/java/com/databasir/core/domain/system/service/SystemService.java
index e59eb82..e24b584 100644
--- a/core/src/main/java/com/databasir/core/domain/system/service/SystemService.java
+++ b/core/src/main/java/com/databasir/core/domain/system/service/SystemService.java
@@ -79,6 +79,7 @@ public class SystemService {
                     response.setSmtpPort(mail.getSmtpPort());
                     response.setUsername(mail.getUsername());
                     response.setCreateAt(mail.getCreateAt());
+                    response.setUseSSL(mail.getUseSsl());
                     return response;
                 });
     }
diff --git a/core/src/main/java/com/databasir/core/infrastructure/mail/MailSender.java b/core/src/main/java/com/databasir/core/infrastructure/mail/MailSender.java
index 6ac829c..a3d835b 100644
--- a/core/src/main/java/com/databasir/core/infrastructure/mail/MailSender.java
+++ b/core/src/main/java/com/databasir/core/infrastructure/mail/MailSender.java
@@ -30,7 +30,11 @@ public class MailSender {
         }
         sender.setUsername(properties.getUsername());
         sender.setPassword(properties.getPassword());
-        sender.setProtocol("smtp");
+        if (properties.getUseSsl()) {
+            sender.setProtocol("smtps");
+        } else {
+            sender.setProtocol("smtp");
+        }
         sender.setDefaultEncoding(StandardCharsets.UTF_8.name());
         return sender;
     }
diff --git a/dao/build.gradle b/dao/build.gradle
index f9babf2..88721e3 100644
--- a/dao/build.gradle
+++ b/dao/build.gradle
@@ -52,7 +52,7 @@ jooq {
                         forcedTypes {
                             forcedType {
                                 name = 'BOOLEAN'
-                                includeExpression = 'deleted|enabled|is.*'
+                                includeExpression = 'deleted|enabled|is.*|use_ssl'
                                 includeTypes = '.*'
                             }
                             forcedType {
@@ -62,7 +62,7 @@ jooq {
                             }
                             forcedType {
                                 userType = 'com.databasir.dao.enums.OAuthAppType'
-                                converter  = 'com.databasir.dao.converter.OAuthAppTypeConverter'
+                                converter = 'com.databasir.dao.converter.OAuthAppTypeConverter'
                                 includeExpression = 'app_type'
                                 includeTypes = '.*'
                             }
diff --git a/dao/generated-src/jooq/main/java/com/databasir/dao/tables/SysMail.java b/dao/generated-src/jooq/main/java/com/databasir/dao/tables/SysMail.java
index 39978db..1b60115 100644
--- a/dao/generated-src/jooq/main/java/com/databasir/dao/tables/SysMail.java
+++ b/dao/generated-src/jooq/main/java/com/databasir/dao/tables/SysMail.java
@@ -15,7 +15,7 @@ import org.jooq.ForeignKey;
 import org.jooq.Identity;
 import org.jooq.Name;
 import org.jooq.Record;
-import org.jooq.Row7;
+import org.jooq.Row8;
 import org.jooq.Schema;
 import org.jooq.Table;
 import org.jooq.TableField;
@@ -72,6 +72,11 @@ public class SysMail extends TableImpl<SysMailRecord> {
      */
     public final TableField<SysMailRecord, Integer> SMTP_PORT = createField(DSL.name("smtp_port"), SQLDataType.INTEGER.nullable(false), this, "");
 
+    /**
+     * The column <code>databasir.sys_mail.use_ssl</code>.
+     */
+    public final TableField<SysMailRecord, Boolean> USE_SSL = createField(DSL.name("use_ssl"), SQLDataType.BOOLEAN.nullable(false).defaultValue(DSL.inline("0", SQLDataType.BOOLEAN)), this, "");
+
     /**
      * The column <code>databasir.sys_mail.update_at</code>.
      */
@@ -157,11 +162,11 @@ public class SysMail extends TableImpl<SysMailRecord> {
     }
 
     // -------------------------------------------------------------------------
-    // Row7 type methods
+    // Row8 type methods
     // -------------------------------------------------------------------------
 
     @Override
-    public Row7<Integer, String, String, String, Integer, LocalDateTime, LocalDateTime> fieldsRow() {
-        return (Row7) super.fieldsRow();
+    public Row8<Integer, String, String, String, Integer, Boolean, LocalDateTime, LocalDateTime> fieldsRow() {
+        return (Row8) super.fieldsRow();
     }
 }
diff --git a/dao/generated-src/jooq/main/java/com/databasir/dao/tables/pojos/SysMailPojo.java b/dao/generated-src/jooq/main/java/com/databasir/dao/tables/pojos/SysMailPojo.java
index 966ad6e..47ccedf 100644
--- a/dao/generated-src/jooq/main/java/com/databasir/dao/tables/pojos/SysMailPojo.java
+++ b/dao/generated-src/jooq/main/java/com/databasir/dao/tables/pojos/SysMailPojo.java
@@ -21,6 +21,7 @@ public class SysMailPojo implements Serializable {
     private String        password;
     private String        smtpHost;
     private Integer       smtpPort;
+    private Boolean       useSsl;
     private LocalDateTime updateAt;
     private LocalDateTime createAt;
 
@@ -32,6 +33,7 @@ public class SysMailPojo implements Serializable {
         this.password = value.password;
         this.smtpHost = value.smtpHost;
         this.smtpPort = value.smtpPort;
+        this.useSsl = value.useSsl;
         this.updateAt = value.updateAt;
         this.createAt = value.createAt;
     }
@@ -42,6 +44,7 @@ public class SysMailPojo implements Serializable {
         String        password,
         String        smtpHost,
         Integer       smtpPort,
+        Boolean       useSsl,
         LocalDateTime updateAt,
         LocalDateTime createAt
     ) {
@@ -50,6 +53,7 @@ public class SysMailPojo implements Serializable {
         this.password = password;
         this.smtpHost = smtpHost;
         this.smtpPort = smtpPort;
+        this.useSsl = useSsl;
         this.updateAt = updateAt;
         this.createAt = createAt;
     }
@@ -124,6 +128,20 @@ public class SysMailPojo implements Serializable {
         this.smtpPort = smtpPort;
     }
 
+    /**
+     * Getter for <code>databasir.sys_mail.use_ssl</code>.
+     */
+    public Boolean getUseSsl() {
+        return this.useSsl;
+    }
+
+    /**
+     * Setter for <code>databasir.sys_mail.use_ssl</code>.
+     */
+    public void setUseSsl(Boolean useSsl) {
+        this.useSsl = useSsl;
+    }
+
     /**
      * Getter for <code>databasir.sys_mail.update_at</code>.
      */
@@ -161,6 +179,7 @@ public class SysMailPojo implements Serializable {
         sb.append(", ").append(password);
         sb.append(", ").append(smtpHost);
         sb.append(", ").append(smtpPort);
+        sb.append(", ").append(useSsl);
         sb.append(", ").append(updateAt);
         sb.append(", ").append(createAt);
 
diff --git a/dao/generated-src/jooq/main/java/com/databasir/dao/tables/records/SysMailRecord.java b/dao/generated-src/jooq/main/java/com/databasir/dao/tables/records/SysMailRecord.java
index 1aff42f..0f15c23 100644
--- a/dao/generated-src/jooq/main/java/com/databasir/dao/tables/records/SysMailRecord.java
+++ b/dao/generated-src/jooq/main/java/com/databasir/dao/tables/records/SysMailRecord.java
@@ -11,8 +11,8 @@ import java.time.LocalDateTime;
 
 import org.jooq.Field;
 import org.jooq.Record1;
-import org.jooq.Record7;
-import org.jooq.Row7;
+import org.jooq.Record8;
+import org.jooq.Row8;
 import org.jooq.impl.UpdatableRecordImpl;
 
 
@@ -20,7 +20,7 @@ import org.jooq.impl.UpdatableRecordImpl;
  * This class is generated by jOOQ.
  */
 @SuppressWarnings({ "all", "unchecked", "rawtypes" })
-public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements Record7<Integer, String, String, String, Integer, LocalDateTime, LocalDateTime> {
+public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements Record8<Integer, String, String, String, Integer, Boolean, LocalDateTime, LocalDateTime> {
 
     private static final long serialVersionUID = 1L;
 
@@ -94,32 +94,46 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
         return (Integer) get(4);
     }
 
+    /**
+     * Setter for <code>databasir.sys_mail.use_ssl</code>.
+     */
+    public void setUseSsl(Boolean value) {
+        set(5, value);
+    }
+
+    /**
+     * Getter for <code>databasir.sys_mail.use_ssl</code>.
+     */
+    public Boolean getUseSsl() {
+        return (Boolean) get(5);
+    }
+
     /**
      * Setter for <code>databasir.sys_mail.update_at</code>.
      */
     public void setUpdateAt(LocalDateTime value) {
-        set(5, value);
+        set(6, value);
     }
 
     /**
      * Getter for <code>databasir.sys_mail.update_at</code>.
      */
     public LocalDateTime getUpdateAt() {
-        return (LocalDateTime) get(5);
+        return (LocalDateTime) get(6);
     }
 
     /**
      * Setter for <code>databasir.sys_mail.create_at</code>.
      */
     public void setCreateAt(LocalDateTime value) {
-        set(6, value);
+        set(7, value);
     }
 
     /**
      * Getter for <code>databasir.sys_mail.create_at</code>.
      */
     public LocalDateTime getCreateAt() {
-        return (LocalDateTime) get(6);
+        return (LocalDateTime) get(7);
     }
 
     // -------------------------------------------------------------------------
@@ -132,17 +146,17 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
     }
 
     // -------------------------------------------------------------------------
-    // Record7 type implementation
+    // Record8 type implementation
     // -------------------------------------------------------------------------
 
     @Override
-    public Row7<Integer, String, String, String, Integer, LocalDateTime, LocalDateTime> fieldsRow() {
-        return (Row7) super.fieldsRow();
+    public Row8<Integer, String, String, String, Integer, Boolean, LocalDateTime, LocalDateTime> fieldsRow() {
+        return (Row8) super.fieldsRow();
     }
 
     @Override
-    public Row7<Integer, String, String, String, Integer, LocalDateTime, LocalDateTime> valuesRow() {
-        return (Row7) super.valuesRow();
+    public Row8<Integer, String, String, String, Integer, Boolean, LocalDateTime, LocalDateTime> valuesRow() {
+        return (Row8) super.valuesRow();
     }
 
     @Override
@@ -171,12 +185,17 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
     }
 
     @Override
-    public Field<LocalDateTime> field6() {
-        return SysMail.SYS_MAIL.UPDATE_AT;
+    public Field<Boolean> field6() {
+        return SysMail.SYS_MAIL.USE_SSL;
     }
 
     @Override
     public Field<LocalDateTime> field7() {
+        return SysMail.SYS_MAIL.UPDATE_AT;
+    }
+
+    @Override
+    public Field<LocalDateTime> field8() {
         return SysMail.SYS_MAIL.CREATE_AT;
     }
 
@@ -206,12 +225,17 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
     }
 
     @Override
-    public LocalDateTime component6() {
-        return getUpdateAt();
+    public Boolean component6() {
+        return getUseSsl();
     }
 
     @Override
     public LocalDateTime component7() {
+        return getUpdateAt();
+    }
+
+    @Override
+    public LocalDateTime component8() {
         return getCreateAt();
     }
 
@@ -241,12 +265,17 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
     }
 
     @Override
-    public LocalDateTime value6() {
-        return getUpdateAt();
+    public Boolean value6() {
+        return getUseSsl();
     }
 
     @Override
     public LocalDateTime value7() {
+        return getUpdateAt();
+    }
+
+    @Override
+    public LocalDateTime value8() {
         return getCreateAt();
     }
 
@@ -281,19 +310,25 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
     }
 
     @Override
-    public SysMailRecord value6(LocalDateTime value) {
-        setUpdateAt(value);
+    public SysMailRecord value6(Boolean value) {
+        setUseSsl(value);
         return this;
     }
 
     @Override
     public SysMailRecord value7(LocalDateTime value) {
+        setUpdateAt(value);
+        return this;
+    }
+
+    @Override
+    public SysMailRecord value8(LocalDateTime value) {
         setCreateAt(value);
         return this;
     }
 
     @Override
-    public SysMailRecord values(Integer value1, String value2, String value3, String value4, Integer value5, LocalDateTime value6, LocalDateTime value7) {
+    public SysMailRecord values(Integer value1, String value2, String value3, String value4, Integer value5, Boolean value6, LocalDateTime value7, LocalDateTime value8) {
         value1(value1);
         value2(value2);
         value3(value3);
@@ -301,6 +336,7 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
         value5(value5);
         value6(value6);
         value7(value7);
+        value8(value8);
         return this;
     }
 
@@ -318,7 +354,7 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
     /**
      * Create a detached, initialised SysMailRecord
      */
-    public SysMailRecord(Integer id, String username, String password, String smtpHost, Integer smtpPort, LocalDateTime updateAt, LocalDateTime createAt) {
+    public SysMailRecord(Integer id, String username, String password, String smtpHost, Integer smtpPort, Boolean useSsl, LocalDateTime updateAt, LocalDateTime createAt) {
         super(SysMail.SYS_MAIL);
 
         setId(id);
@@ -326,6 +362,7 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
         setPassword(password);
         setSmtpHost(smtpHost);
         setSmtpPort(smtpPort);
+        setUseSsl(useSsl);
         setUpdateAt(updateAt);
         setCreateAt(createAt);
     }
@@ -342,6 +379,7 @@ public class SysMailRecord extends UpdatableRecordImpl<SysMailRecord> implements
             setPassword(value.getPassword());
             setSmtpHost(value.getSmtpHost());
             setSmtpPort(value.getSmtpPort());
+            setUseSsl(value.getUseSsl());
             setUpdateAt(value.getUpdateAt());
             setCreateAt(value.getCreateAt());
         }
diff --git a/dao/src/main/resources/db/migration/V1__init.sql b/dao/src/main/resources/db/migration/V1__init.sql
index 1db5027..c2ae585 100644
--- a/dao/src/main/resources/db/migration/V1__init.sql
+++ b/dao/src/main/resources/db/migration/V1__init.sql
@@ -19,6 +19,7 @@ CREATE TABLE IF NOT EXISTS sys_mail
     password  TEXT         NOT NULL,
     smtp_host VARCHAR(512) NOT NULL,
     smtp_port INT          NOT NULL,
+    use_ssl   BOOLEAN      NOT NULL DEFAULT FALSE,
     update_at TIMESTAMP    NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
     create_at TIMESTAMP    NOT NULL DEFAULT CURRENT_TIMESTAMP
 ) CHARSET utf8mb4