[Techtalk] [OT] What's a CID?

[Devdas Bhagat]

On 25/03/04 10:48 +0000, Telsa Gwynne wrote:
> On Thu, Mar 25, 2004 at 10:23:58AM +0100 or thereabouts, Dan Richter wrote:
> > From time to time I get e-mail (written in HTML) which includes links 
> > like this:
> > [A HREF="cid:031401Mfadb4$3f3dL708$73380718 at 57W81af70Re"]example.com[/A]
> > 
> > The text of the link can also be an e-mail address. What is the meaning 
> > of that?
> 
> Of the "cid" in particular? 
> 
> On web-based forums, it's quite common to see "cid" (and "sid"
> or something similar too) as part of the URLs to specific parts
> of a discussion. I have always assumed that "cid" stands for 
> "comment-ID". 
Content ID. Look for a MIME/multipart email with inline attachments from
Outlook or Outlook express. The content ID specifies the encoded content in
the mail. Your MIME parser will look in the body of the message and
decode that particular section and insert it into the HTML

Lazy HTML image (images not sent with the mail, almost always spam):
<img href="http://www.example.com/foo.jpg">

Inline HTML image:
<img href="cid:someLongStringHere">
:
:
:
someLongStringHere
MIMEencodedBlock==

Devdas Bhagat
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