NO_DNS_FOR_FROM

Julian Field mailscanner at ecs.soton.ac.uk
Tue Nov 2 01:25:23 GMT 2004


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Would people therefore like me to:
a) Change X-MailScanner-From to X-Envelope-From in MailScanner.conf
or
b) Tell SpamAssassin what to expect in spam.assassin.prefs.conf
or
c) Neither
?

Alan wrote:

>There is actually a means to fix NO_DNS_FOR_FROM without changing the header
>to 'X-Envelope-From' (it still needs to be at the top though). If you want
>to use something other than 'X-Envelope-From', you have to define what you
>will be using in 'spam.assassin.prefs.conf' using the
>'envelope_sender_header' option.
>
>So, if we want to use something other than the default 'X-Envelope-From'
>header that SA is looking for, we just have to let SA know about it. For me,
>its just easier to use what SA is already looking for.
>
>This is from the SpamAssassin Bugzilla database regarding this issue:
>
>"The discussion there indicates that MailScanner inserts a header named
>X-MailScanner-From instead of X-Envelope-From. It also inserts it at the
>bottom of the headers, where SpamAssassin can't trust it."
>
>-Alan
>
>On Mon, 1 Nov 2004 15:46:56 -0500, Julian Field
><mailscanner at ECS.SOTON.AC.UK> wrote:
>
>
>
>>Ah, in which case I misunderstood one of the previous postings on this.
>>I thought that as long as the header name was "reasonable", SA would
>>find it if it was at the top of the headers. I didn't realise it had to
>>have exactly the right name as well.
>>
>>Can someone else confirm that I now have this right please?
>>If so, I will change the default in the supplied conf file, and add a
>>comment about this requirement.
>>
>>Alan wrote:
>>
>>
>>
>>>Julian & Matt,
>>>
>>>I never did have a chance to try manually adding in Julian's patch to move
>>>the 'Envelope From' header to the top of the headers. But today I saw that
>>>Julian had added that patch to the stable release, so I went ahead and
>>>installed it and tested this rule.
>>>
>>>And, for the first time since SA3 was released, I'm again getting hits on
>>>the 'NO_DNS_FOR_FROM' rule!
>>>
>>>So, bottom line to get this rule working is MS 4.35.9 or newer must be
>>>installed, and you MUST set 'Envelope From Header = X-Envelope-From:' in
>>>MailScanner.conf.
>>>
>>>SA3 will ONLY recognize the from header 'X-Envelope-From:' and it will ONLY
>>>accept it at the top of the headers.
>>>
>>>Perhaps there should be an FAQ entry explaining this, or better yet a
>>>comment in the MailScanner.conf dialog immediatly above the ''Envelope From
>>>Header =' setting.
>>>
>>>Anyway, thanks to both of you for helping me get this rule working again!
>>>
>>>-Alan
>>>
>>>
>>>
>>>On Sat, 16 Oct 2004 12:23:48 +0100, Julian Field
>>><mailscanner at ECS.SOTON.AC.UK> wrote:
>>>
>>>
>>>
>>>
>>>
>>>>In which case you are going to have to apply the patches by hand. Open up
>>>>each patch file and try to find the bit of code that matches in your
>>>>particular versions of these files. Patch files are easy to understand.
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
>>>
>>>
>>>
>>--
>>Julian Field
>>www.MailScanner.info
>>Professional Support Services at www.MailScanner.biz
>>MailScanner thanks transtec Computers for their support
>>Buy the MailScanner book at www.MailScanner.info/store
>>
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>>
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>>Before posting, read the MAQ (http://www.mailscanner.biz/maq/) and
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>>
>>
>
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>'leave mailscanner' in the body of the email.
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>
>
>

--
Julian Field
www.MailScanner.info
Professional Support Services at www.MailScanner.biz
MailScanner thanks transtec Computers for their support
Buy the MailScanner book at www.MailScanner.info/store

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