java - Java 发送 html 多部分电子邮件和 MS Outlook

Question

当应用程序发送 html 多部分电子邮件时，outlook 无法正确呈现。我们正在使用 spring org.springframework.mail.javamail.MimeMessagePreparator 和org.springframework.mail.javamail.JavaMailSenderImpl

它将电子邮件呈现为文本，看起来像这样......

MIME-Version: 1.0
Content-Type: multipart/mixed; 
                boundary="----=_Part_87_599524958.1351800925134"

------=_Part_87_599524958.1351800925134
Content-Type: multipart/related; 
                boundary="----=_Part_88_222697382.1351800925134"

------=_Part_88_222697382.1351800925134
Content-Type: multipart/alternative; 
                boundary="----=_Part_89_1958386200.1351800925181"

------=_Part_89_1958386200.1351800925181
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

...
... <<< some text here >>>
...


------=_Part_89_1958386200.1351800925181
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit

...
... << here it prints html text >>
...
...