SmtpClient uses lowercase headers

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Hi there,

Got a strange problem here...

Basically, our application sends out an email with a custom X-Header. On the dev box, the header comes out in mixed case (eg "X-EmailID"), but when we move the app to the live box, the header in the email is converted to lower case (e.g. "x-emailid")

I need to keep the capitalisation. Has anyone seen this before, and did you find a solution?

I've googled this but haven't found much, other than people saying they have seen the problem but no fix - there has to be some config that is different between the two boxes, surely!?!

Any help greatly appreciated

Baz

Posted 7-Aug-08 23:55pm

Baz

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Mircea Puiu · Answer 1 · 2008-08-08T00:27:00

Solution 1

Try to use the System.Web.Mail classes, which make use of Microsoft's Collaboration Data Objects to send emails. Ignore compiler's warning messages for obsolete classes.

Posted 8-Aug-08 0:27am

Mircea Puiu