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Re: [Nmh-workers] Microsoft hockeyapp doesn't care about 2045 RFC (6.4)
From: |
Ralph Corderoy |
Subject: |
Re: [Nmh-workers] Microsoft hockeyapp doesn't care about 2045 RFC (6.4) |
Date: |
Tue, 24 Oct 2017 17:44:36 +0100 |
Hi Ken,
> their particular bug is that their account registration email is sent
> as a base64-encoded text/html part (which SHOULD be fine) but rather
> than break the base64 encoding at the recommended 76 characters, it's
> all sent as one line and so an intervening SMTP server is breaking the
> line at approximately 1024 characters and inserting a ! character
Sendmail used to do that when I dealt with it years ago.
> which ends up breaking the base64 encoding.
Yes. Have you pointed out to them that even without producing invalid
base64, the RFC-breaking long lines raise its probability of being spam
in SpamAssassin's eyes? (Other spam detectors are available.)
There's two tests, one for just a little over, and the other for beyond
that.
https://wiki.apache.org/spamassassin/Rules/BASE64_LENGTH_78_79
https://wiki.apache.org/spamassassin/Rules/BASE64_LENGTH_79_INF
Complaints that Mellow don't keep their customers informed are only
going to be made worse if the emails end up unseen in spam folders.
> If anyone has a back-channel into Mellow, please let me know!
I had a bit of a dig, but could only come up with these three people,
and no email addresses for any of them.
https://www.linkedin.com/in/joaoricardomachado/
Software Team Lead at Mellow Inc. UI/UX Designer
https://twitter.com/joaorm
https://www.facebook.com/joaoricardomachado
https://www.linkedin.com/in/pfeitor/
https://www.linkedin.com/in/analuisaamaromartins/
Android and iOS for Mellow
http://www.analuisamartins.com/
https://twitter.com/anaamaromartins
If the "supportwall" is still proving impenetrable then it might be
worth going over the top.
--
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy