Hello experts,
today, I found messages with this header:
Date: Wed Jan 28 14:46:29 CET 2026
- https://datatracker.ietf.org/doc/html/rfc822#section-5.1 let me conclude:
invalid
- spamassassin say: invalid
- python3.13 say: valid -> email.utils.parsedate() does not return 'None'
$ printf 'import email.utils\nprint(email.utils.parsedate("Wed, 28 Jan 2026
22:25:41 +0100"))\n' | python3.13 -
(2026, 1, 28, 22, 25, 41, 0, 1, -1)
$ printf 'import email.utils\nprint(email.utils.parsedate("Wed Jan 28 14:46:29 CET
2026"))\n' | python3.13 -
(2026, 1, 28, 14, 46, 29, 0, 1, -1)
$ printf 'import email.utils\nprint(email.utils.parsedate("not a date"))\n' |
python3.13 -
None
Maybe there is no right or wrong. Does python only understand a very, very,
very old format?
Andreas
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