The current-most-critical problem (as described by sysadmin in his news article on the subject) is that hotmail gets bored whilst SAUCE is trying to do MAIL FROM verification callout, so by the time that SAUCE has given up on doing the callout (so that it doesn't exceed the RFC-specified timeout) hotmail has gone away and so can't deliver the mail.
The reason why SAUCE is taking so long to do the callout is that some hotmail MXs don't respond at all, and the ones which do respond incorrectly give an error indication at the end of the callout. This wouldn't be a problem however (beyond a slight delay in mail delivery times) if hotmail waited for the RFC-specified time before getting bored and going home.
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timeasmymeasure
no subject
Date: 2006-11-23 06:16 pm (UTC)The reason why SAUCE is taking so long to do the callout is that some hotmail MXs don't respond at all, and the ones which do respond incorrectly give an error indication at the end of the callout. This wouldn't be a problem however (beyond a slight delay in mail delivery times) if hotmail waited for the RFC-specified time before getting bored and going home.