. Net: System.Web.Mail 与 System.Net.Mail

我正在考虑转换我继承的一个项目。净值1.1至。净值2.0。我担心的主要警告是，它希望我从 System.Web.Mail切换到使用 System.Net.Mail。

我还没有准备好使用过时的 System.Web.Mail重写所有组件，所以我很好奇是否有社区成员在使用它时遇到了问题。净2.0？

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Yes, we had the same issue, and we decided not to upgrade either. We haven't seen any problems, so you're OK ignoring the warnings.

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最佳答案

System.Web.Mail is not a full .NET native implementation of the SMTP protocol. Instead, it uses the pre-existing COM functionality in CDONTS. System.Net.Mail, in contrast, is a fully managed implementation of an SMTP client.

I've had far fewer problems with System.Net.Mail as it avoids COM hell.

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The few times I ran into this, I found that that the methods and properties were all almost identical- changing the object type was just about all I had to do. There were one or two other little things, but they showed up with the lines and it was obvious what to do with Intellisense. I'd vote for going with the fully managed solution, get away from cdonts as soon as possible. It's not even installed on 03 server and newer.

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System.Web.Mail is deprecated, but should still work. You'll be annoyed with warnings about it being obsolete, but the functionality still carries on... for the time being.

I would agree with others that the conversion to System.Net.Mail was very trivial. I doubt you'd have to re-write more than a line or two.

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here are 2 sites that provide documentation and samples for both

http://www.systemwebmail.com/

http://www.systemnetmail.com/

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We had implemented .netmail it was working at the beginning now is requiring username and password. So we went back to webmail as is working OK.

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Biggest issue with System.Net.Mail is that it has no support for Implicit SSL. Use System.Web.Mail until you don't have a need for Implicit SSL support.