Author: Phil Pennock Date: To: Frank Elsner CC: exim-users Subject: Re: [exim] Strange problem
On 2012-07-10 at 15:23 +0200, Frank Elsner wrote: > We allow unauthenticated relaying for all hosts in our network (130.149.0.0/16),
> which works. But today the following problem came up for one user:
>
> Exim log shows:
>
> 2012-07-10 14:08:42 H=pc-45-77.isr.tu-berlin.de [130.149.45.77] F=<source@???> rejected RCPT <destination@???>: relay not permitted, authentication required
>
> Ups, this IP is from our network! Needs investigation.
>
> [root@mailfrontend-4 /]# exim_checkaccess 130.149.45.77 destination@??? -f source@???
> Accepted
> [root@mailfrontend-4 /]#
Do you have different rules for port 25 and port 587, with port 587
requiring authentication?