Best practices

[Alex Neuman van der Hans]

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Jason Williams wrote:

> Hi Ugo,
>
> I'll double check my list here, but im pretty sure I have all the
> following covered, except for the reverse lookup and the SPF records.
> I do plan to take a look at these.
>
> I appreciate it.
>
> Cheers,
>
> Jason
>
> Ugo Bellavance wrote:
>
>> Hi Jason,
>>
>>     A few ideas:
>>
>> - Have a reverse lookup
>> - If MaiScanner a gateway, make sure you use firewall rules on the
>> destination server to make sure only MailScanner can access it.
>> - Have SPF records
>> - Use SMTP-AUTH for roaming clients
>> - Don't bounce
>> - Make sure you're not an open relay
>> - Do some testiing:
>>
>>     http://www.dnsreport.com/
>>     http://www.dnsstuff.com/
>>     http://www.samspade.com/
>>     http://www.testvirus.org/ (with disclamer...)
>>
>> Ugo
>>
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>>
>>
>>  
>>
>
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* Install portsentry or firewall everything but SMTP to your mailscanner
box from the outside world...
* Implement SMTPS/TLS (port 465), and MSA (port 587, for people who
can't use port 25)
* Buy Julian's book :)

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To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
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Before posting, read the Wiki (http://wiki.mailscanner.info/) and
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Support MailScanner development - buy the book off the website!