Bounce Unverifiable

Simon Brereton simon.brereton at
Wed May 23 19:26:02 CEST 2012

On 23 May 2012 12:22, Mark Martinec <Mark.Martinec+amavis at> wrote:
> Simon,
>> What is Bounce Unverifiable?
>> The only information I could find with Google was this link:
>> - but the
>> reply wasn't complete.   I understood that Amavis thinks this is a
>> bounce to a mail from my sever (it isn't) but I don't see why Amavis
>> thinks this mail is a bounce.
>> May 22 11:00:43 mail amavisd-new[7966]: (07966-17) bounce
>>   unverifiable, <mailer at> -> <td at>
> Some general notes on a bounce killer are in release notes,
> search for 'bounce killer'.
> Bounce killer tries to recognize some forms of bounce messages,
> but is rather conservative about it. At the end of a bounce test,
> if a bounce killer did not recognize a message as a bounce, but
> a message is exhibiting some indication that it might have been
> some form of an auto-response, then you see this informative
> message logged at log level 2. Currently these indications
> are: auto-response, From or return-path is a 'postmaster',
> or a SpamAssassin rule ANY_BOUNCE_MESSAGE was hit.
> So nothing to worry about. This is mostly an information
> for program development that perhaps a bounce killer may
> be missing recognition of some unusual form of a bounce.

Thanks Mark

I just wondered why this was triggering it - it's the only time I've
ever seen this.


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