Re: Palo Alto firewalls and DNS delays

[Valdis Kletnieks <Valdis.Kletnieks () VT EDU>]

On Wed, 13 Mar 2013 16:03:19 -0000, Julian Y Koh said:
> On Mar 13, 2013, at 09:42 , Ken Connelly <Ken.Connelly () UNI EDU>
>  wrote:
> > Already received one query about this...  mailserv is old and will barf
> > on html-only messages.  The subscribe message needs to be plain-text or
> > at least multipart/mixed.
>
> As God intended.  :):)

Vernon Schryver made the point that the vast majority of multipart/alternative
mail is in fact incorrectly generated, the logic being that if it includes
a text/plain and text/html, there's two possibilities:

1) The semantic content of the two is identical.  In this case the text/html
is superfluous and should not have been sent.

2) The semantic content is *not* identical.  In that case, one of the two
parts (probably the text/plain) is misleading and should not have been sent.

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