On 13 Dec 2021, at 19:44, Mark Sapiro wrote:
On 12/13/21 10:36 AM, Bill Cole wrote:
Also simple: NEVER try to interpret or canonicalize local-parts that
exist in someone else's domain. You cannot programmatically determine
whether 2 different local-parts are equivalent unless you run the
delivery system for them.
This is correct and Mailman does maintain case-preserved email
addresses for delivery, but internally, Mailman 2.1 list members are
lower-cased email addresses (It is not possible to have two list
members whose addresses differ only in case), so comparing lower-cased
email when trying to determine if two list member addresses are the
same member is OK.
Thanks for the quick fix!
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