[Mailman-developers] Re: [meta-sig] mailman problems

Barry A. Warsaw bwarsaw@CNRI.Reston.Va.US (Barry A. Warsaw)
Mon, 27 Apr 1998 12:24:06 -0400 (EDT)

>>>>> "JV" == John Viega <jtv2j@cs.virginia.edu> writes:

    JV> Well, you can, but that would have a few problems of its own:

    JV> 1) DNS lookup can be slow.  People want instant feedback.

    JV> 2) Sometimes DNS is flakey, and you might reject a perfectly
    JV> valid email address.  Sendmail will just keep it in a queue
    JV> and try again periodically, so if it is a transient problem,
    JV> then no problem.

    JV> I would say that perhaps the list of domains *should* stay,
    JV> but not be a requirement.  How about, the list gets checked,
    JV> and gives you a warning but not a fatal error if your address
    JV> doesn't have one of the listed endings?

Good idea.  Optional DNS lookup could be added with a similar
non-fatal warning.