552 MS-Office file containing VBA macros found inside of the email

我们有客户说，他们无法向我们发送excel文件。客户端收到的错误消息的回执：552 MS-Office file containing VBA macros found inside of the email 

552MS-Office文件，其中包含电子邮件中发现的错误宏。

解决方法：

This is a SonicWall’s Gateway Anti-Virus feature. 

1. Login to the SonicWall 
2. Security Services 
3. Gateway Antivirus 
4. Configure Gateway AV Settings 
5. Check the box that says “Disable SMTP Responses” 
6. Select the SMTP section under Protocols, 
7. Uncheck ” Restrict Transfer of MS-Office type files containing macros (VBA 5 and above).”