On Tue, 5 Dec 2006, David MacQuigg wrote:
As I understand it, the Reply-To address was introduced only recently,
and that is why everyone uses the Return Address for this function.
You underatand wrong. Reply-To was part of all email standards including
RFC822 published in 1982 and it has never been used as replacement for
RFC821 MAIL FROM which is a return-path for emails that can not be
delivered and so is used in automated manner. Reply-To on the other
hand serves to direct emails that come as reply to another email due
to human action.
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