[issue30988] Exception parsing invalid email address headers starting or ending with dot

[Cyril Nicodème]

Cyril Nicodème <contact at cnicodeme.com> added the comment:

Hi!

I confirm this problem too, also with the SMTPUTF8 policy.

I was able to reproduce this error on my end (Python v3.7.5).

Note that when calling `message_from_bytes` without policy, there is no errors.

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nosy: +cnicodeme

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30988>
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