At least in the past, on Outlook, that used to still munge attached patches to Windows line-ends instead of DOS, which was still a problem. That's Microsoft's

At least in the past, on Outlook, that used to still munge attached patches to Windows line-ends instead of DOS, which was still a problem. That's Microsoft's fault, but if you are at some smaller shop trying to submit a patch, it can be a royal pain in the neck, especially if the admin is a Microsoft fan and only wants to run Exchange protocol.