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Re: [newtech-1] Faking the From Address (was: shakira photo gallery, etc.)

From: Ilya Z.
Sent on: Wednesday, October 24, 2007 12:58 PM
Yea - that's the reality of email. Curious how will meetup address this?

For the past 30 minutes all my emails (even [address removed]) were getting rejected. Seems they took their email servers down (due to spam issue?)

All emails bounced with:
Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 13):[masked] <wa-out-1112.google.com[ 209.85.146.183]>: Client host rejected: Access denied

On 10/24/07, whitneymcn <[address removed]> wrote:

If you're reading this message, Hank, then the answer to your question appears to be that spoofing the from email address of a valid subscriber is enough to get a message through to the list.  I'm actually sending this message via a little script on a server that's unrelated to my absono.us email address.

It's not too surprising, really -- given the still relatively low level of adoption for email authentication, Meetup doesn't have too many other options.

Sincerely,
Not Really Whit



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