[OT] bouncing list spam via Gmail's and other smarthosts
I zealously bounce listspam to email@example.com.
Recently, the listmaster notified me that he was getting the impression
from the bounced spam that *I* was the spammer. We discussed the
problem, and it turns out that the issue is that Gmail's SMTP server
rewrites message-from headers, so a spam message with this message-from:
From: "Evil Spammer" <firstname.lastname@example.org>
will end up in the spam mailbox looking like this:
From: "Evil Spammer <email@example.com>
[Some free smarthosts simply refuse to accept mail unless the
message-from is set to the user's account name, but Gmail accepts it
and rewrites it.]
The listmaster told me not to bounce mail under such circumstances.
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