[Dovecot] Migrate from Maildir to mdbox

[Ralf Hildebrandt]

* Thomas Leuxner <tlx at leuxner.net>:
> Am 24.12.2010 um 18:11 schrieb Henrique Fernandes:
> 
> > Gona firt migrate User1 at domain1.com
> > 
> > # chmod a-w  /path/to/thatuserhome/
> > 
> > Now, dovecot can not write any emails there. Will will result in temporary
> > failure, at least in my conf it does.
> 
> That seems a bit brute and will throw a good amount of log entries for sure.
> 
> How about this. Implement a header check in Postfix and put the mail for the account to be maintained on HOLD:
> 
> [ master.cf ]
> cleanup   unix  n       -       -       -       0       cleanup
>   -o header_checks=pcre:/etc/postfix/header_checks_maintenance

Usually you do this in main.cf
 
> $ cat /etc/postfix/header_checks_maintenance
> /^To:.*user at domain.tld.*/      HOLD Planned maintenance for account
> […]

And usually one uses "check_recipient_access" for this, not
header_checks

-- 
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 | http://www.charite.de