questionable email filtering policies?

Chris Hills chaz at
Fri Jul 24 13:28:31 UTC 2009

On 23/07/09 22:22, goemon at wrote:
> Seems rather unwise to filter your abuse mailbox.
> ----- The following addresses had permanent fatal errors -----
> <abuse at>
> (reason: 554 Message not allowed - UP Email not accepted for policy
> reasons. Please visit
> [120])
> -Dan

On the topic of mail rejection I have come across a few sites that 
reject mail, even to [email protected], from domains that have one or more 
ipv6-only MX records listed (i.e. a domain name with AAAA but no A 
record(s)). The common factor seems to be mimedefang.

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