[Bug 1859104] [NEW] It is possible to mailbomb a third party by repeatedly posting the subscribe form.
mark at msapiro.net
Thu Jan 9 19:54:18 EST 2020
Public bug reported:
This can be prevented by refusing to pend a subscription when one is
already pending, but that means if a subscriber loses or doesn't receive
the confirmation request email, she has to wait PENDING_REQUEST_LIFE
(default 3 days) before she can request another.
It can also be avoided by setting the list's subscribe_policy to
Moderate, but that may not be desirable in many cases.
Because of these considerations, I will implement the refusal to pend a
subscription when one is already pending, but make that depend on a new
REFUSE_SECOND_PENDING mm_cfg.py setting.
** Affects: mailman
Status: In Progress
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It is possible to mailbomb a third party by repeatedly posting the
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