论坛邮件设置建议

snorlax

论坛邮件居然进了我的垃圾箱，我看了看——

1. 
   
2. X-Spam-Status: Yes, score=4.5 required=3.0 tests=FROM_EXCESS_BASE64,
   
3.         HTML_MESSAGE,MIME_HTML_ONLY,PHP_ORIG_SCRIPT,RDNS_NONE,
   
4.         TVD_SPACE_RATIO_MINFP autolearn=no autolearn_force=no version=3.4.2
   
5. X-Spam-Report:
   
6.         *  1.1 MIME_HTML_ONLY BODY: Message only has text/html MIME parts
   
7.         *  0.0 HTML_MESSAGE BODY: HTML included in message
   
8.         *  1.3 RDNS_NONE Delivered to internal network by a host with no rDNS
   
9.         *  0.1 FROM_EXCESS_BASE64 From: base64 encoded unnecessarily
   
10.         *  2.0 PHP_ORIG_SCRIPT Sent by bot & other signs
    
11.         *  0.0 TVD_SPACE_RATIO_MINFP Space ratio
    

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建议：
1. 邮件格式使用multipart
2. 邮件服务器弄个Reverse DNS，并且相关域名也解析到这个IP
3. (如果可以的话)想办法让机发特征消失