[imp] MAPI calls for mailto: links

[Thomas Gereke]

Hello,

the hint on scripts/Imp.reg didn't work for me (first) -> see the other 
thread.
So I tested a bit and find the following:

In Firefox (and IE too) when clicking on an email address they use
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\*\Protocols\mailto\shell\open\command
to open the mail program.

The send option in explorer (send to->email) uses the simple MAPI.

So I programmed a little DLL which ignores all simple MAPI calls except for
sending mails. See http:/www.thomasgereke.de/ImpMAPI.zip for source, dll and
registry files. The DLL is written in C and compiled with MinGW. The DLL must
be copied to the System32 directory or the path in the reg file to it must be
added.

Now the click on an email works. And send to->email opens the compose 
window. I
was wondering that when I'm not login there is a special login window which
shows the email data and gives it then to the new compose screen. Fine!

What did not work jet is to add an attachment. When using send to->email the
filename is appended as '&upload_1=drive:/path/filename' but it seems this is
ignored. Would be nice if it is possible to add attachments. Or is there
another way?

Thomas

> I do not know if this is possible. It's a tricky problem.
> How do you handle mailto: links when using web based email systems?
>
> Microsoft do offer hotmail as the internet prefs default mailer,
> however you still have to login to send email.
>
> Mozilla adds some registry keys to the windows registry to allow it to be
> the default mail app. It would be nice to have a similar .dll which
> causes the default web browser to open on a given URL when a mailto
> is clicked. eg the Horde/IMP login page.
>
> Or even better, would be a .dll which redirects to a given
> non-authenticated compose page in Horde/IMP. So people can click
> on a mailto: which opens a compose window. They could then (as part of
> the compose window) authenticate to send the email.

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