Re: [exim] errors by sender verifying

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著者: Frank Elsner
日付:  
To: exim-users
題目: Re: [exim] errors by sender verifying
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