Marc, as stated by Aki
> passdb { > driver = static > args = nopassword >} works fine and does what I want: accept any SMTP AUTH :-) In my setup postfix has a catch-all anyway, so I can return home=/dev/null in userdb Saw the first tries on my server already. Just took 5min after enabling SMTP AUTH :-) @Aki: thanks a lot Have a good one -- tobi Am 23.05.19 um 09:44 schrieb Marc Roos: > > I have the same, create your own dns blacklist. And have fail2ban add > entries to it. The only problem I have on CentOS6 is that you need to > combine log files for this, but it should be do-able. > > But I am also for this option, maybe it can be done via this userdb, > specify an account where auth is not necessary. I would like to redirect > sometimes a user to a 5GB garbage messages mailbox. Or if someone has > collection of emails with virusses, available to download? > > > > -----Original Message----- > From: Tobi via dovecot [mailto:dovecot@dovecot.org] > Sent: donderdag 23 mei 2019 9:12 > To: dovecot@dovecot.org > Subject: Catch all for dovecot authentication? > > Hi > > I'm aware that there are several good reasons not to do what I want, but > in my use-case it would be an interesting feature. So please no > discussions about the reasonableness > > I have some spamtrap SMTP servers (postfix). Currently SMTP AUTH is > disabled. But as I daily have thousands of AUTH tries I thought it would > be nice to be able to accept any AUTH request from postfix in dovecot. > > Is something like this possible with dovecot? If so any good description > available on how to achieve? > > Thanks > > -- > > tobi > > >