C# 使用SMTP 发送邮件时如何邮件内容中显示图片

1、初始化　MailMessageMailMessage email = new MailMessage();

2、添加附件email.Attachments.Add(new Attachment("C:\\img\\ewen.gif"));

3、设置附件类型email.Attachments[0].ContentType.Name = "image/gif" ;

4、设置附件 Idemail.Attachments[0].ContentId = "ewen";

5、设置附件为 inline-内联email.Attachments[0].ContentDisposition.Inline = true;

6、设置附件的编码格式email.钽吟篑瑜Attachments[0].TransferEncoding = System.Net.Mime.TransferEncoding.Base64;

7、在HTML邮件正文中用img 标签引用图片，src 设置为 cid:附件Idstr坡纠课柩ing mailBody = "这里显示图片：<br><img alt='图片' src=cid:ewen>";

8、完成发送邮件。