AddCustomAttachment( FileName, Data )(v3.0)
添加自定义附件. This can be used to attach "virtual files" like a generated text string or certificate etc.
如:JMail.AddCustomAttachment( "readme.txt", "Contents of file" );
AddHeader( XHeader, Value )(v3.0)
添加用户定义的X-header到message
如:JMail.AddHeader( "Originating-IP","193.15.14.623" );
AddNativeHeader( Header, Value )(v3.0)
添加信头
如:JMail.AddNativeHeader( "MTA-Settings", "route" );