On Tue, Feb 5, 2019 at 1:07 AM Richard Johnson wrote:
> I run a small mailman server for our historical recreation group. Lately,
> I've been seeing messages like:
>
> : host al-ip4-mx-vip1.prodigy.net[144.160.235.143] said:
> 550 5.7.1 Connections not accepted from servers without a valid
ilman/listinfo/mailman-users
> Mailman FAQ: http://wiki.list.org/x/AgA3
> Security Policy: http://wiki.list.org/x/QIA9
> Searchable Archives:
> http://www.mail-archive.com/mailman-users%40python.org/
> Unsubscribe:
> https://mail.python.org/mailman/options/mailman-users/brennan%40colum
oint out that lack of "alignment" is a silly
reason for rejecting list mail. For transactional mail from sources like
financial institutions, where the sender can state that the two addresses
should "align", then it makes a lot more sense.
Joseph Brennan
--
so you should believe
> > their ARC assertions.
>
Why not just have that list, and a X-Trust-Me: YES header? It would be much
simpler to implement than ARC.
Joseph Brennan
Columbia University I T
--
Mailman-Users mailing list
t per message --which is what
Gmail does!-- but it is so inefficient that it makes me cringe and I
have not chosen to implement that yet on our systems.
--
Joseph Brennan
Columbia University
--
Mailman-Users mailing list Mailman-U
me the address
of the sender and the name of the system that handed the message to my
system, and let me use my own common sense to decide whether it's
spoofed.
Well, we have to play the cards we're dealt. Onward.
Joseph Brennan
Columbia University
---
d you look for clues?
Joseph Brennan
Columbia U I T
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e.
Still happening
Joseph Brennan
Manager, Email and Systems Applications
Columbia University Information Technology
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Mailman
2 ENOENT
fstat64(9, 0xFFBFECC8) = 0
fstat64(9, 0xFFBFEB70) = 0
ioctl(9, TCGETA, 0xFFBFEC54)Err#25 ENOTTY
write(9, " < ! D O C T Y P E H T".., 8192) = 8192
write(9, "\n\n\n\n\n\n\n\n\n\n\n\n".., 2188) =
something tricky with an IFRAME element to hold the original message
Thanks to spammer activity a few years ago I think iframe is inactive or
even cause for rejection on various mail systems.
Joseph Brennan
Columbia University Information Technology
true. In 100 years who will know the difference.
Joseph Brennan
Manager, Email and Systems Applications
Columbia University Information Technology
--
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https://mail.python.org/mailman/listinfo
result, and just about honor RFC 5322
where it says the mailbox of the author of the message should be in the
From: field.
But this is the Mailman discussion list.
Joseph Brennan
Columbia University Information Technology
--
Mailman-Users
than your own... but it's what they asked for.
Joseph Brennan
Columbia University Information Technology
--
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https://mail.python.org/mailman/listinfo/mailman-users
Mailman FAQ: http
RFC5322 and understand that the From
header line represents the writer of the message also can't read RFC5321
and grasp that a 2xy code signifies a responsibility that is well defined
(sec 4.2.5).
They're just making stuff up. And companies that fall for it betray their
cluelessness.
Joseph
be to bounce.
I'm still pondering implementation.
That some other domain might implement the same approach as yahoo is a good
point. It is best to generalize a problem.*
*unless you're selling updates to virus signatures!
Joseph Brennan
Manager, Email and Systems Applications
Columbia University
In any event, I'm a unclear about the best solution (if there is one).
My inclination is to refuse postings from addresses @yahoo.com, since
accepting them will interfere with everyone's use of our list system.
The only issue for me is precisely how to implement it.
Joseph Brennan
Jim Popovitch jim...@gmail.com wrote:
DMARC works off of SPF as well.
Not really. SPF does not check the From: header line, and that's where
the troubles begin with DMARC.
Joseph Brennan
Columbia University IT
--
Mailman-Users mailing
to the author(s) of the message.
I don't think we should compound that by changing the From line.
Joseph Brennan
Columbia University Information Technology
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https://mail.python.org/mailman/listinfo
, etc, all write their envelope sender that way.
Joseph Brennan
Columbia University Information Technology
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I wonder if anyone on this list can share a script to migrate Mailman
archives to a Google group using the Groups Migration API announced about a
year ago.
I'm actually looking to move mbox files made by 2 or 3 other software
packages, but, same solution should work.
Joseph Brennan
and megamailservers.com from 2007!
http://list.web.net/archives/getsmart-l/2007-December/002525.html
... with complete message attached. I don't see anything wrong with it.
Joseph Brennan
Columbia University IT
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something.
Joseph Brennan
Columbia University Information Technology
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wouldn't say 'blame'.
Joseph Brennan
Columbia University I T
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Even if they are at many different domains it does well:
smtp to for 2016 recips, completed in 158.363 seconds
smtp to for 2199 recips, completed in 701.392 seconds
Joseph Brennan
Manager, Email and Systems Applications
Columbia University Information Technology
--On May 16, 2013 10:48:31 +0200 Jan Lausch jan.lau...@gmx.de wrote:
Some MUAs send picture-attachments not seperated by MIME-delimiters, but
by begin and end.
That's an ancient pre-MIME encoding called uuencode. I am amazed that any
modern software would create it.
Joseph Brennan
host. Maybe
add a fixed string to what's already there.
However this might have some impact on non Gmail users that does not come
to mind immediately, so I am NOT saying to do this.
Joseph Brennan
Columbia University Information Technology
- Andrei - tucsonand...@gmail.com wrote:
I would like members to receive email with From: Mailing List Name
How will people know who wrote each message?
Joseph Brennan
Columbia University Information Technology
--
Mailman-Users mailing
uses localhost as its smtp server. No problem!
The problem described there is relevant to small organizations that do
not have their own infrastructure.
Joseph Brennan
Manager, Email and Systems Applications
Columbia University Information Technology
about 20 minutes.
The answer is more or less because Google is weird.
Joseph Brennan
Manager, Email and Systems Applications
Columbia University Information Technology
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http
right away, and the others
have to wait until you run the queue.
Joseph Brennan
Manager, Email and Systems Applications
Columbia University Information Technology
--
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http
How can I find out, while maintaining privacy so that addresses are not
exposed to the list at large?
The system administrator can see it in /var/log/maillog or syslog.
Joseph Brennan
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Mailman-Users mailing list Mailman-Users
--On Saturday, February 16, 2013 8:08 AM -0500 Tanstaafl
tansta...@libertytrek.org wrote:
On 2013-02-15 10:25 AM, Joseph Brennan bren...@columbia.edu wrote:
elsif
(/^from:.*+(bounce|do-not-reply|facebook|linkedin|list-|myspace|twitter)
/i) { $logger-debug(Multi-string From header matching
* or +.
Otherwise this looks reasonable to me.
Joseph Brennan
Columbia University Information Technology
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.
The latter, and the envelope sender, is what they should care about.
All right, enough, back to real life where you just have to deal with
crazy stuff you can't control...
Joseph Brennan
Columbia University Information Technology
--
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