MailScanner+Postfix virtual_maps support

[Julian Field]

Please try the support for this in the latest beta, and let me know  
if it has improved.

On Fri21 Jul 06, at 20:58, Drew Marshall wrote:

> On 19 Jul 2006, at 22:59, Juan Pablo Abuyeres wrote:
>
>> I use postfix + MailScanner. My postfix configuration includes these
>> lines:
>> virtual_mailbox_domains = mysql:/etc/postfix/mysql-vdomains.cf
>> virtual_mailbox_base = /
>> virtual_mailbox_maps = mysql:/etc/postfix/mysql-mailbox-maps.cf
>> virtual_minimum_uid = 500
>> virtual_uid_maps = mysql:/etc/postfix/mysql-virtual-uid.cf
>> virtual_gid_maps = mysql:/etc/postfix/mysql-virtual-gid.cf
>> virtual_maps = mysql:/etc/postfix/mysql-virtual-maps.cf
>> transport_maps = mysql:/etc/postfix/mysql-transport-maps.cf
>>
>> My MailScanner.conf file contains this line:
>> Required SpamAssassin Score
>> = /etc/MailScanner/rules/Tpanel.spamassassin.score.rules
>>
>> and that file contains:
>> To: acct1 at tecnoera.com 5
>> To: acct2 at tecnoera.com 4
>> To: acct3 at tecnoera.com 6
>> To: everyone at tecnoera.com 1
>> To: acct4 at tecnoera.com 4
>> FromOrTo: default 6
>>
>> everyone at tecnoera.com is really only an "alias".. it's a forward to
>> other accounts like "acct1 at tecnoera.com", "acct2 at tecnoera.com", and
>> others.
>>
>> The problem is when an email is sent to everyone at tecnoera.com, the  
>> Score
>> assigned to everyone at tecnoera.com in the ruleset is not correctly
>> grabbed by MailScanner, because virtual_maps rewrites the queue files
>> and replaces the destination with each email address listed in
>> everyone at tecnoera.com before MailScanner processes the queue file.
>> (http://www.postfix.org/ADDRESS_REWRITING_README.html#virtual)
>>
>> I can't use alias_maps because it's only for local transport, and  
>> I need
>> to use virtual.
>>
>> I was trying a 2-postfix approach, one not using virtual_maps,  
>> just to
>> enqueue mails -> MailScanner -> another postfix... but it's just a  
>> big-
>> mess solution. I didn't like it at all.
>>
>> So, what I think would be a good solution is an option in  
>> MailScanner to
>> either take options from rulesets for destinations just like it is  
>> doing
>> now, or instead take options from rulesets taking in account  
>> _original_
>> destinations.
>>
>> Can anyone please give me advice on this?
>
> Sadly there isn't really any advice to give. This is a 'design  
> feature' of Postfix's virtual alias expansion. The only work round  
> is to make everyone a local alias, which expands to the virtual  
> aliases later e.g. everyone at ecnoera.com =>  
> everyone at host.ecnoera.com and then in aliases you then have  
> everyone:	acct1 acct2 etc. You then set your score.rules file  
> acordingly.
>
> Not ideal but less messy than 2 Postfix instances.
>
> Drew
>
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Julian Field
www.MailScanner.info
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