28 Nov
2023
28 Nov
'23
4:13 p.m.
but we just got three of these for the first time ever, from three different
email addresses (and from a non-gmail just now)
i'm worried that we're sending out spam or something, are we compromised
somehow?
On Tue, 28 Nov 2023, Sean Greenslade via sudo-sys wrote:
On Tue, Nov 28, 2023 at 03:08:47PM -0800, Jake wrote:
i don't understand what these messages mean -
something about sudoroom.org
failing to send emails to people? Why is this happening?
-jake
This is the mail system at host sudoroom.org.
####################################################################
# THIS IS A WARNING ONLY. YOU DO NOT NEED TO RESEND YOUR MESSAGE. #
####################################################################
Your message could not be delivered for more than 3 hour(s).
It will be retried until it is 2 day(s) old.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<robcestes725(a)gmail.com>om>: host alt1.gmail-smtp-in.l.google.com[64.233.171.27]
said: 450-4.2.1 The user you are trying to contact is receiving mail at a
rate that 450-4.2.1 prevents additional messages from being delivered.
Please resend your 450-4.2.1 message at a later time. If the user is able
to receive mail at that 450-4.2.1 time, your message will be delivered. For
more information, please 450-4.2.1 visit 450 4.2.1
https://support.google.com/mail/?p=ReceivingRate
ej11-20020a056808384b00b003b89291f44fsi270057oib.133 - gsmtp (in reply to
RCPT TO command)
It means that robcestes725(a)gmail.com has hit one of the gmail rate
limits for incoming mail [0]. This happens occasionally for people
subscribed to lots of mailing lists. There's nothing we can do about it
on our end, except for maybe discouraging people from using gmail.
The server will periodically retry sending the message. Postfix defaults
to holding a message for up to 5 days before giving up.
--Sean
[0]: https://support.google.com/a/answer/1366776?sjid=9877780703939869088-NC
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