On Wed, 29 Aug 2007 09:32:53 +0200 Margrit Lottmann URZ-N wrote:
> A great mail provider "r-online.de"
> doesn't allow since yesterday our verify procedure for sender checking:
>
> here our configure part:
>
> deny message = $acl_verify_message
> sender_domains = ! partial-dbm;DBM/etc/always_accepted_senders
> !hosts = +relay_hosts
> !verify = sender/callout=60s,defer_ok
>
>
> and now 1 error message:
>
> host mail.uni-magdeburg.de [141.44.1.10]: 550-Callback setup failed while
> verifying <xxxxxx@??? <mailto:xxxxxx@t-online.de>>
> 550-(result of an earlier callout reused).
> 550-The initial connection, or a HELO or MAIL FROM:<> command was
> 550-rejected. Refusing MAIL FROM:<> does not help fight spam, disregards
> 550-RFC requirements, and stops you from receiving standard bounce
> 550-messages. This host does not accept mail from domains whose servers
> 550-refuse bounces.
> 550 Sender verify failed
>
>
> Do you know what is bas at our exim configuration ???
Not yours.
If I understand the message correct, the configuration at "t-online"
is broken by not accepting empty envelopes.
--Frank Elsner
