Workaround for infinite loop in XCLIENT command bug

[Aki Tuomi]

> On 24 May 2019 10:52 mabi via dovecot <dovecot at dovecot.org> wrote:
> 
>  
> Hello,
> 
> I am running Dovecot 2.3.5 package on OpenBSD 6.5 and it looks like this bug which has been fixed in 2.3.6 is hitting me:
> 
> lib-smtp: client: Fix infinite loop in XCLIENT command interaction with server
> https://github.com/dovecot/core/commit/5d03f39b345127b80d145ee90772739baa7ab810
> 
> so I was wondering if there is any workarounds? Maybe like disabling the XCLIENT command from the config file or something similar?
> 
> My original post regarding this issue is here:
> 
> https://www.mail-archive.com/misc@opensmtpd.org/msg04362.html
> 
> I first thought this was an OpenSMTPD issue but it seems to be that Dovecot bug.
> 
> Cheers,
> Mabi

Try setting login_trusted_networks=

or just upgrade to 2.3.6?

Aki