Date: Mon, 24 Apr 2006 12:38:11 +0200 (CEST) Subject: Re: Modtager spam pga BSD-DK! From: Jesper Rønnekilde <none@jesper--ronnekilde.dk.lh.bsd-dk.dk> To: bsd-dk@bsd-dk.dk
> Jesper Rønnekilde wrote:
>>> On 4/24/06, Allan Wermuth <none@alw--it-service.sdu.dk.lh.bsd-dk.dk> wrote:
>>>
>>>> Forwarding all Your mail to the Gmail account, and then fetching them
>>>> back again, using
>>>> POP/SSL, doesn't actually reduce the amount of traffic in your domain.
>>> Indeed it can. MX records can use bandwidth of a different network
>>> entirely compared to websites, as it is in my example.
>>>
>>> But my solution is mainly to reduce inbound spam which has to be
>>> manually processed. I'm not that low on bandwidth.
>>>
>>> Of course POP3 over SSL is more bandwidth intensive compared to POP3,
>>> but now I'm more safe as well, since my mailbox provider only supports
>>> unencrypted POP3 and nothing else. Using GMail over SSL is for me a
>>> much better solution.
>>>
>>> I even filter that mail through SpamAssassin and ClamAV when it gets
>>> home to me, and after that filtering there's only a tiny fragment of
>>> spam getting through. Convenient.
>>
>> Accept that you can't fight spam at your MTA! Set up filtering at your
>> MUA
>> ;-)
>>
>> /jesper
>>
>>
>>
> If you received the Spam mail, then *you* have lost.
> Filtering the mail afterwards still uses *your* resources on
> something that *you* did not ask for.
>
> Refusing them at the door (filtering at/before the MTA and/or using
> spamd/tarpit) might take some resources, but at least you wont
> get their crap on your system.
>
> IMHO sending your mail on a trip through gmail won't help anything,
> since gmail filters at the MUA level (which in this case is a good
> thing since you would not want mail from someone not arriving @ your
> gmail account) so the Spam still gets delivered to you (and the you
> have lost)
>
> But for personal mail... refuse them as early as you possibly can, and
> use as many of *their* resources as you possibly can.
>
I'm filtering all my mail at my MTA with spamd,
smtpd_recipient_restrictions in postfix and for virus: amavisd/clamd. But
still you can't filter everything 100%.
Just accept that some filtering has to be done in your MUA for close to
perfect fighting spam :-)
/jesper
This archive was generated by hypermail 2b30 : Wed 15 Nov 2006 - 18:24:58 CET