Autor: Kirill Miazine Data: A: exim-users Assumpte: Re: [Exim] failed to find hostname from IP problem
* Svetoslav Alexandroff [2002-09-20 14:11]: > I am using exim 3.36 on FreeBSD. Everything works perfectly but I noticed
> that I am getting the following error message when trying to send a message
> using SMTP:
>
> 550 relaying to webmaster@somehost prohibited by administrator (failed to
> find host name from IP address)
>
> This is very annoying, since I have explicitly allowed relaying for the
> specified host, but due to lack of DNS communication the IP cannot be
> resolved. Is there a way to disable this feature (resolving IPs to names)? I
> read almost the entire exim documentation but could not find anything on
> that topic.
>
> Any help would be appreciated!
Grep for +allow_unknown and +warn_unknown in spec.txt for Exim 3.