您可以尝试 HTML needs tags for formatting, it doesn't respect CRLF characters,You could trymail.Body = mailbody.Replace("\n", "<br />"); 或类似。or similar. 这篇关于如何在VB .NET窗体中格式化邮件正文的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！