Allan Streib writes:
> Notmuch/0.20.2 (http://notmuchmail.org) Emacs/24.4.1
>
> Replying to a message in a deeply nested thread can trigger a complaint:
>
> sendmail: command failed: 550 5.7.1 Delivery not authorized, message
> refused: Message is not RFC 2822 compliant
>
David Bremner writes:
> Allan Streib writes:
>
>> Notmuch/0.20.2 (http://notmuchmail.org) Emacs/24.4.1
>>
>> Replying to a message in a deeply nested thread can trigger a complaint:
>>
>> sendmail: command failed: 550 5.7.1 Delivery not authorized,