On 7/22/2025 3:09 AM, Claus Assmann wrote:
What about mailing lists, e.g., ietf-*?
Do they split mail going to multiple RCPTs at the same domain (/MX)
into multiple transactions?
If so, why? Just to simplify bounce management?
For "commercial" mail single RCPT is probably the "standard" to
allow for tracking.
Again: the discussion that took place on this working group mailing
list was about /observed/ number of /SMTP/ sessions. An SMTP session
does not contain any information that distinguishes between 'individual'
email and 'mailing list' email. It's all the same to SMTP.
So, apparently yes, they split the mail.
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
bluesky: @dcrocker.bsky.social
mast: @[email protected]
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