Re: Subject line in Mailto forms

Arnoud (
Mon, 16 Jun 1997 19:33:37 +0200

From: (Arnoud "Galactus" Engelfriet)
Subject: Re: Subject line in Mailto forms
Date: Mon, 16 Jun 1997 19:33:37 +0200
Message-ID: <>

In article <v03102800afc9ddcc6a6c@[]>,
Walter Ian Kaye <> wrote:
> At 11:35a +0200 06/15/97, Arnoud "Galactus" Engelfriet wrote:
>  > 1) it breaks all other clients, as RFC 1738 defines the value of
>  > mailto to be an email address only. Thus, mail from those clients
>  > will bounce, as "" is not a valid host.
> So update the client -- it's easy to add support for this. 

Perhaps, even though the RFC would have to be superseded in order
to make this behaviour legal. And as far as I can tell, most
other HTML extensions were generally harmless in that they simply
weren't available (or were ignored) on non-supporting browsers.

>  > 4) You only have 1024 characters for subject and other headers (assuming
>  > you do 2).
> You don't need more than that -- it's only meant for creating a template
> email message, not a long dissertation. 1024 characters is a lot! :)

Well, if it's only for a ?subject, but if you want to generalize
this method (the draft mentioned earlier in this thread supports that)
then you can run into that problem quickly.

>  > or perhaps adding an attribute a la USEMAP (USEAPP? PARAMLIST?)
>  > to A that links to a list of parameters, then you could even re-use
>  > the information in multiple mailto links.
> And how would you pass that to other applications? 

User agent issue. The browser can collect the PARAMs and create
a command line for that, or parse it through an OLE communication
or whatever.

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