Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto
2021-08-03 12:29:56
On 8/3/2021 6:43 AM, Viktor Dukhovni wrote:
So a miscreant abusing "Delivered-To" can cause the receiving system
to emit lots of bounces to a forged envelope sender address.
The "Delivered-To" address is an internal representation of the target
mailbox (for loop detection), and is not intended for consumption by
MUAs or tools like fetchmail.
An abuser sends a single message that contains a Delivered-To and might
then trigger a bounce back to the return address. This is a one-for-one
effect. To be interesting, the attacker needs to send many of these
addresses, to produce many of these bounces. Yes?
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
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- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, (continued)
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, John Levine
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Sam Varshavchik
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Sam Varshavchik
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Michael Peddemors
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Dave Crocker
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, John Levine
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto,
Dave Crocker <=
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Dave Crocker
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Dave Crocker
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Viktor Dukhovni
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Michael Peddemors
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, John Levine
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Dave Crocker
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, John Levine
- Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliveredto, Dave Crocker
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