[CentOS] mail server best practices question

Christopher Chan christopher.chan at bradbury.edu.hk
Tue May 11 01:40:06 UTC 2010


On Tuesday, May 11, 2010 06:07 AM, Craig White wrote:
> On Mon, 2010-05-10 at 20:33 +0200, Alexander Dalloz wrote:
>> Am 10.05.2010 14:02, schrieb Brian McKerr:
>>
>>> I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
>>>
>>> http://mailscanner.info/
>>
>> I don't intend to start a flamewar, but given Wieste's repeated warnings
>> on the Postfix mailinglist[1] and expressed on
>>
>> http://www.postfix.org/addon.html
>>
>> as
>>
>> "mailscanner system, works with Postfix and other MTAs. WARNING: This
>> software uses unsupported methods to manipulate Postfix queue files
>> directly. This will result in corruption or loss of mail. The
>> mailscanner authors have sofar refused to discuss a proper access API or
>> protocol."
>>
>> I call that combination not being best practice.
> ----
> clearly this is a personal issue that Wietse has with Julian (the author
> of MailScanner) and I can assure all that it works fine with Postfix and
> has never caused either corruption or loss of mail on many servers that
> I have configured to use both. There are also a lot of users who run
> MailScanner with Postfix.
>

I don't know about that. If it was sendmail, fine because sendmail does 
provide mechanisms for multiple access to a mail in the queue which is 
how sendmail itself treats mails in the queue when you have multiple 
queue runners. I have not used exim so as far as I know, only sendmail 
actually tolerates a third-party touching mails in the queue.



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