postfix and mailscanner

[Jerry Benton]

You would see corrupted email in Postfix's /var/spool/postfix/corrupt/
directory. Now that I think about it, I have seen corrupted emails before,
but I don't know if that was due to MailScanner or not. 


--
Jerry Benton
www.mailborder.com
+1   (843) 800-8605
+44 (020) 3883-8605


-----Original Message-----
From: MailScanner
[mailto:mailscanner-bounces+jerry.benton=mailborder.com at lists.mailscanner.in
fo] On Behalf Of Maarten
Sent: Wednesday, December 13, 2017 18:12
To: MailScanner Discussion <mailscanner at lists.mailscanner.info>
Subject: Re: postfix and mailscanner

How would you be able to tell if this every happened?


On 12/14/2017 12:01 AM, Jerry Benton wrote:
> Technically, it could because when putting back into the Postfix 
> system you are dropping it into a directory and not feeding it back in 
> through and outgoing milter. I have never seen it happen, but it is 
> technically possible.
>
>
> --
> Jerry Benton
> www.mailborder.com
> +1   (843) 800-8605
> +44 (020) 3883-8605
>
>
> -----Original Message-----
> From: MailScanner
> [mailto:mailscanner-bounces+jerry.benton=mailborder.com at lists.mailscan
> ner.in
> fo] On Behalf Of Antony Stone
> Sent: Wednesday, December 13, 2017 17:59
> To: MailScanner Discussion <mailscanner at lists.mailscanner.info>
> Subject: Re: postfix and mailscanner
>
> On Wednesday 13 December 2017 at 23:36:54, Jerry Benton wrote:
>
>> Because MailScanner does not use a proper milter for Postfix. 
>> Instead, it gets the email from a hold directory and drops it back in 
>> the Postfix queue.
>>
>>
>> This is how it is supposed to work:
>>
>> Postfix > milter > hold > scan > injection to Postfix > delivery
>>
>>
>> This is how it actually works:
>>
>> Postfix > hold > scan > drop into Postfix
>>
>>
>> Technically, this is incorrect.
> That's how it works with sendmail and Exim, too, so why do the postfix 
> people say that this "will result in corruption or loss of mail"?
>
> Has this been verified?
>
>
> Antony.
>
>> -----Original Message-----
>> From: MailScanner
>> [mailto:mailscanner-bounces+jerry.benton=mailborder.com at lists.mailsca
>> n
>> ner.i
>> n fo] On Behalf Of Maarten
>> Sent: Wednesday, December 13, 2017 17:34
>> To: MailScanner Discussion <mailscanner at lists.mailscanner.info>
>> Subject: postfix and mailscanner
>>
>> Don't want to start a flame war here, but just a question, why does 
>> postfix.org advise against using mailscanner? Saw the following on 
>> the postfix website:
>>
>> 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.
>> When reading through mailinglists it seems that some mails can get 
>> lost as in how mailscanner handles mail from the postfix mailqueue, 
>> and that it's safer to use one of the virus/spam/content filters that 
>> that uses the SMTP proxy interface or the Milter Interface. I 
>> wouldn't know if this is true or how to know if any mails every got 
>> lost(is there a way to know of having lost mails), but have there 
>> ever been talks between postfix devs and mailscanner devs about this?
> --
> The first fifty percent of an engineering project takes ninety percent 
> of the time, and the remaining fifty percent takes another ninety 
> percent of the time.
>
>                                                    Please reply to the
list;
>                                                          please 
> *don't* CC me.
>
>
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> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>
>
>
>



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