[ext] Crash during "doveadm import"

[Ralf Hildebrandt]

* Ralf Hildebrandt <Ralf.Hildebrandt at charite.de>:
> Today I was looking for some spam and issued this command:
> ==========================================================
> 
> doveadm import -u restore at backup.invalid mdbox:/home/copymail2/mdbox INBOX header Reply-To bixrs.com

This is dovecot from the package 2.3.10.1-3+ubuntu18.04

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandt at charite.de | https://www.charite.de