[SI-LIST] Re: URLs -- Re: Spam friendly URL Shorteners
- From: Hal Murray <hmurray@xxxxxxxxxxxxxxx>
- To: colin_warwick@xxxxxxxxxxx
- Date: Thu, 23 Jul 2009 12:25:46 -0700
> It seems that long URLs (even those with non-alphanum characters like
> underscore, question mark, equals) come through OK if you post in
> Outlook plain text mode. Posting from Outlook HTML mode definitely
> mangles the URL in an unpredictable way. (Example: equals followed by
> "eng" was OK. Equals followed by "13" was converted into a double
> exclamation Unicode character).
Equal-sign is the escape character for quoted-printable. That's the encoding
format used when things are mostly simple text but you need a few special
characters. The 2 characters after the equal-sign are the hex encoding for
the character. That's why you see =3D so often. 3D is hex for equal-sign so
=3D decodes back to =. If you see =3D where you expect =, somebody encoded
it and somebody else didn't decode it.
Quoted printable only gets you to 256 characters, but thats enough for most
of the extra European characters. There are lots of fights over which set of
extra characters you want to use.
--
These are my opinions, not necessarily my employer's. I hate spam.
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