Prevent amavis from obliterating spam headers

[Quanah Gibson-Mount]

--On Sunday, February 01, 2015 12:27 PM +0100 Patrick Ben Koetter 
<p at sys4.de> wrote:

> * Quanah Gibson-Mount <quanah at zimbra.com>:
>> Hi,
>>
>> Customers who have external scanners running SA prior to hitting
>> Zimbra's SA install have found that Amavis will obliterate existing
>> SA headers. Additionally, redirecting an email that was previously
>> scanned by SA also results in Amavis obliterating the existing SA
>> headers.
>>
>> Is there a method in which Amavis can be configured to preserve
>> existing headers?
>
> Take a look into:
>
> $allowed_added_header_fields{lc($_)} = 1  for qw(
> Received DKIM-Signature Authentication-Results VBR-Info
>     X-Quarantine-ID X-Amavis-Alert X-Amavis-Hold X-Amavis-Modified
>     X-Amavis-PenPals X-Amavis-OS-Fingerprint X-Amavis-PolicyBank
>     X-Spam-Status X-Spam-Level X-Spam-Flag X-Spam-Score
>     X-Spam-Report X-Spam-Checker-Version X-Spam-Tests
>     X-CRM114-Status X-CRM114-CacheID X-CRM114-Notice X-CRM114-Action
>     X-DSPAM-Result X-DSPAM-Class X-DSPAM-Signature X-DSPAM-Processed
>     X-DSPAM-Confidence X-DSPAM-Probability X-DSPAM-User X-DSPAM-Factors
>     X-Bogosity
>   );
>   $allowed_added_header_fields{lc('X-Spam-Report')} = 0;
>   $allowed_added_header_fields{lc('X-Spam-Checker-Version')} = 0;
>   # $allowed_added_header_fields{lc(c(lc $X_HEADER_TAG))}=1;
> #later:read_config
>
>   # even though SpamAssassin does provide the following header fields, we
>   # prefer to provide our own version (per-recipient scores, version
> hiding);   # our own non-"X-Spam" header fields are always preferred and
> need not   # be listed here
>   $prefer_our_added_header_fields{lc($_)} = 1  for qw(
>     X-Spam-Status X-Spam-Level X-Spam-Flag X-Spam-Score X-Spam-Report
>     X-Spam-Checker-Version
>     X-CRM114-Status X-CRM114-CacheID X-DSPAM-Result X-DSPAM-Signature
>   );

Thanks!

--Quanah



--

Quanah Gibson-Mount
Platform Architect
Zimbra, Inc.
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