Using mail output plugin results in emails being without dates at all. No such header added here.
Some mail clients does not show any date for mails if no such header present. This not a problem for Thunderbird as it shows date on which email was received, but for KMail2, for example, a huge one:
Those "неизвестное" should be a date on which mail was sent.
I'm on 3.3.1 in Docker.
Using mail output plugin results in emails being without dates at all. No such header added here.
Some mail clients does not show any date for mails if no such header present. This not a problem for Thunderbird as it shows date on which email was received, but for KMail2, for example, a huge one:
Those "неизвестное" should be a date on which mail was sent.