Disallow acces via imap, but keep lmtp running

[Aki Tuomi]

> On 16/12/2020 09:02 Ionel Spanachi {HfG} <ionel.spanachi at hfg-karlsruhe.de> wrote:
> 
>  
> On 16.12.20 00:05, Julian Kippels wrote:
> > I thought about that, but that would also kill their access to wifi and
> > other services, because it all comes from the same LDAP.
> >
> > Julian
> >
> > Am Tue, 15 Dec 2020 23:37:58 +0100
> > schrieb Jos <jos at cloudzeeland.nl>:
> >
> >> You could change their password temporily and do the migration?
> >>
> >> — Verstuurd via een mobiele telefoon
> >>
> >>> Op 15 dec. 2020 om 23:22 heeft Julian Kippels <kippels at hhu.de> het
> >>> volgende geschreven:
> >>>
> >>> Hi all,
> >>>
> >>> what is the best way to temporarily disable access to a mailbox via
> >>> imap, but keep it possible to deliver to the mailbox via lmtp?
> >>> I want to migrate some mailboxes around and would like to ensure
> >>> that the users cannot access their mail while doing so.
> >>> I would like to keep the users from logging in entirely rather than
> >>> setting ACLs.
> >>>
> >>> Thanks in advance
> >>> Julian
> 
> Temporarily modify ldap filters (presumably in /etc/dovecot/dovecot-ldap.conf.ext) in such a way, that it never matches?

That would break LMTP delivery...

You could just do

protocols = lmtp

in your config file to temporarily disable other protocols. make sure you don't have setting later on that will revert this, so verify with `doveconf protocols` after dovecot restart.

Aki