Re: [mailop] Yahoo DKIM Signing, not folding the header..

2018-05-25 Thread Marc Bradshaw via mailop 
My testing shows signatures from both aol and yahoo not being folded,
but I don't really see that as a problem. Yahoo signatures used to be
folded, I guess there was an OATH related infrastructure change
recently, with as you say a change from mx.aol.com to aol.com. They have
been consistently not folded since the start of this month.
- Original message -
From: Carl Byington <c...@five-ten-sg.com>
To: mailop@mailop.org
Subject: Re: [mailop] Yahoo DKIM Signing, not folding the header..
Date: Thu, 24 May 2018 15:49:00 -0700

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

On Thu, 2018-05-24 at 18:02 -0400, John Levine wrote:
> By the way, I sent myself a message from my AOL account, and it
> showed up with a DKIM signature all tidily folded.

Signatures with d=mx.aol.com seem to be wrapped.

Signatures with d=aol.com seem to be one long line.


-BEGIN PGP SIGNATURE-
Version: GnuPG v2.0.14 (GNU/Linux)

iEYEAREKAAYFAlsHQUcACgkQL6j7milTFsGKrQCgiFhruEyHK3Ye1dIjmcs8VdYh
L2EAn0g0uMzi7j8O+mkSmvHgB1uZSxxB
=NXwg
-END PGP SIGNATURE-



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  Marc Bradshaw - Deliverability/Abuse at FastMail
  m...@fastmailteam.com | @marcbradshaw[1]



Links:

  1. https://twitter.com/marcbradshaw
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Re: [mailop] Yahoo DKIM Signing, not folding the header..

2018-05-24 Thread Carl Byington 
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

On Thu, 2018-05-24 at 18:02 -0400, John Levine wrote:
> By the way, I sent myself a message from my AOL account, and it
> showed up with a DKIM signature all tidily folded.

Signatures with d=mx.aol.com seem to be wrapped.

Signatures with d=aol.com seem to be one long line.


-BEGIN PGP SIGNATURE-
Version: GnuPG v2.0.14 (GNU/Linux)

iEYEAREKAAYFAlsHQUcACgkQL6j7milTFsGKrQCgiFhruEyHK3Ye1dIjmcs8VdYh
L2EAn0g0uMzi7j8O+mkSmvHgB1uZSxxB
=NXwg
-END PGP SIGNATURE-



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Re: [mailop] Yahoo DKIM Signing, not folding the header..

2018-05-24 Thread John Levine 
In article  you write:
>And there are a lot more things processing email headers that just 
>software.. 'view source', human readability.. etc.

If I had to make a big list of mail issues to worry about this would
be so far down you'd need a seismometer to detect it.  Messages with
f500 character lines are utterly normal.  Everyone I know deals with
it without trouble.

By the way, I sent myself a message from my AOL account, and it
showed up with a DKIM signature all tidily folded.  Perhaps
something like formail is unfolding it at your end.

x-aol-global-disposition: G
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com;
s=20150623; t=1527199242;
bh=XkogmsMvkXmXGK3AlTb0JZaTa3Oetqky0UL3OQk=;
h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type;
b=5MMwiFEB7SkgeblLBCaj1ZdcfB/BEtf0XkksnhrBE3yYTo6E0r7xMWExBqiW8Pqal
 UmDDnRni/nXVhQ1aIaK3B6rOqOC3qZGR48fVjeR5Ex8Ra8FwHVk5WPO7DmVr2WgULF
 2v0yREemgZCTls4dUEnd1tJoJpZrXDlNPU3PWdQw=
x-aol-sid: 3039ac1ade8f5b0736097283

R's,
John

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Re: [mailop] Yahoo DKIM Signing, not folding the header..

2018-05-24 Thread Michael Peddemors 

On 18-05-24 12:19 PM, John Levine wrote:

In article <88c423e5-1f7b-613e-807e-f519b0636...@linuxmagic.com> you write:

Just want to bring it up, the AOL Dkim header is 520 characters long all
on one line...


What leads you to believe that's a problem?  The specs have always
been very clear that lines in mail messages can be up to 1000
characters including the CR/LF.

Any software that can't handle 520 character lines is pretty badly broken.

R's,
John



Just because it CAN doesn't mean it should..


Each line of characters MUST be no more than
   998 characters, and SHOULD be no more than 78 characters, excluding
   the CRLF.

And there are a lot more things processing email headers that just 
software.. 'view source', human readability.. etc.



--
"Catch the Magic of Linux..."

Michael Peddemors, President/CEO LinuxMagic Inc.
Visit us at http://www.linuxmagic.com @linuxmagic
A Wizard IT Company - For More Info http://www.wizard.ca
"LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd.

604-682-0300 Beautiful British Columbia, Canada

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Re: [mailop] Yahoo DKIM Signing, not folding the header..

2018-05-24 Thread John Levine 
In article <88c423e5-1f7b-613e-807e-f519b0636...@linuxmagic.com> you write:
>Just want to bring it up, the AOL Dkim header is 520 characters long all 
>on one line...

What leads you to believe that's a problem?  The specs have always
been very clear that lines in mail messages can be up to 1000
characters including the CR/LF.

Any software that can't handle 520 character lines is pretty badly broken.

R's,
John

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[mailop] Yahoo DKIM Signing, not folding the header..

2018-05-24 Thread Michael Peddemors 
Just want to bring it up, the AOL Dkim header is 520 characters long all 
on one line...


Suggest that they look at folding that header a little more sanely..

-- Michael --

--
"Catch the Magic of Linux..."

Michael Peddemors, President/CEO LinuxMagic Inc.
Visit us at http://www.linuxmagic.com @linuxmagic
A Wizard IT Company - For More Info http://www.wizard.ca
"LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd.

604-682-0300 Beautiful British Columbia, Canada

This email and any electronic data contained are confidential and intended
solely for the use of the individual or entity to which they are addressed.
Please note that any views or opinions presented in this email are solely
those of the author and are not intended to represent those of the company.

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