在测试了火狐3.5.8，我可以用行动=时候只有1994年补习班字符到一个POST形式。通常你要避免使用的mailto：用身体参数

Tested on Firefox 3.5.8, I could only cram 1994 characters into a POST form when using action="mailto:". Generally you want to avoid using mailto: with a body parameter.

也许只是让他们手动复制/粘贴生成的电子邮件的正文为他们的客户。这是非常粗糙的，但有时你不得不即兴....

Perhaps just have them copy/paste the body of a generated email into their client manually. It's extremely crude, but sometimes you have to improvise....