EmailAttachment.MIMEType

Property (As String )

aEmailAttachment.MIMEType = newStringValue
or
StringValue = aEmailAttachment.MIMEType

Supported for all project types and targets.

The MIME type of the attachment. Here is a reference of MIME types: http://www.ltsw.se/knbase/internet/mime.htp.

Notes

You should set the MIME type for most attachments to ensure that mail clients and services do not flag things as spam.

Sample Code

file = New EmailAttachment
file.MIMEType = "image/jpeg"