On Monday, October 20, 2003, at 11:27 AM, Phil White wrote:
I can't
comment about other mailers, but Exim will choke on any query with an
underscore unless it is told to 'relax' the rulebook. Allowing the
underscore
would break a separate validity check.
I don't understand this. Surely Exim doesn't have any code to
implement SPF at this time. And surely any code that that got added to
Exim to support SPF would be constructing it's own queries to DNS. So
I don't see how any part of Exim would be involved that would check
this rule. Does Exim have some sort of layer over DNS that enforces
this rule at a lower level, and that any SPF could would have to call?
Or does Exim have some sort generic, configurable DNS query for
validity system that could be used for SPF, and that has a rule check?
- Mark
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