On Thu, Oct 26, 2000 at 08:29:42PM -0400, Hubbard, David wrote:
> Well first off, can someone explain to me the reasoning
> behind the bare linefeed restriction? I hope it is an actual
> standard that this restriction is trying to make other MTA's
> adhere to.
>
> So anyway, 2 questions:
>
> 1) Does anyone have a list of commonly used mail
> servers that violate this? Personally, I've seen a few
> instances of mail servers going crazy hitting me once
> per second trying to deliver mail and just getting
> status 256 over and over, I'm thinking it's probably the
> bare linefeed thing causing this behavior and if they're
> on a bigger pipe than my qmail server, it really hurts
> my connection. I'd really like to know which servers
> might exhibit this behavior. Most recently, I tried to
> sign up for an eval version of Legato's backup software
> and all I see in my mail logs is a connection from
> augusta2.legato.com every four hours with a status
> of 256, nice huh?
qmail doesn't return an error code of 256 for the bare lf problem, it returns
553.
> 2) The important question now is, what kind of error
> does the user get when their mail server finally
> gives up? Does it look like the mail was just
> undeliverable? I know qmail issues the error code
> that causes the mail server to try again. After that
> time on the remote server expires, I'm worried that
> users who may be mailing someone at a domain I
> host will be getting an error message that makes it
> look like a problem with my mail server, pissing my
> customers off at me.
Did you actually read any of the online documentation about this, including
but not limited to http://cr.yp.to/docs/smtplf.html, the FAQ and relevant
RFC's?
--Adam
--
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