Just for the record, I agree with everything Sam says here.
(Not that it matters much ;) )
Sam Clippinger wrote:
> spamdyke has no flaws, I thought everyone knew that. :) Perhaps I
> should update the FAQ.
>
> To answer your questions:
>
> Once enabled, spamdyke's graylist filter will block anything that isn't
> explicitly whitelisted, including newsletters, mailing lists, etc. Some
> mailing lists (depending on the mailing list software) use "tagged
> senders", which means that every message appears to come from a
> different sender. This is done so that bounced messages can be more
> easily matched with a specific mailing list and recipient. (Ezmlm and
> Yahoo lists both use tagged senders. Mailman does not. I'm not sure
> about Listserv and Majordomo.) For those kinds of lists, every message
> is graylisted. This isn't really a problem however, as the remote
> server will simply retry delivery and the message will be received. The
> QMT list uses tagged senders and I receive its messages just fine. Some
> users may complain about the (small) delay, however. I'll probably
> incorporate some heuristics in a future version of spamdyke to allow
> mailing lists with tagged senders to bypass graylisting (but it may be a
> while before that's done).
>
> Online ticket orders, receipts, password verifications and other
> automated messages should pass the graylist filter as long as they are
> being sent from a real mail server. In other words, as long as the
> remote server attempts to redeliver the message, it will be received.
>
> Graylisting works fine with all of the major email hosts and every mail
> server I've ever encountered.
>
> An SSL certificate is only needed for using TLS (an encryption protocol
> that allows email to be sent securely). Only one certificate can be
> installed on a server (one per domain is not possible) but you don't
> have to pay for it -- a self-signed certificate works just fine.
>
> The sender and recipient blacklists are just text files, so editing them
> is very easy. The graylist system uses a directory structure that
> contains files named after the senders and recipients. It's not as easy
> to edit manually (nor is it difficult) but you shouldn't ever need to.
>
> spamdyke has no mechanism for saving rejected messages. It works by
> rejecting the message before the remote server even sends it, so
> spamdyke never sees its content. For that reason, it is not possible to
> recover rejected messages. However, spamdyke does log the sender and
> recipient addresses for every message (accepted or rejected), along with
> the reason the message was rejected. This does make it possible to
> determine if a delivery was attempted and why it failed.
>
> Obviously, I've been using spamdyke for years now with no problems.
> spamdyke has an active mailing list (subscribe at www.spamdyke.org) with
> many helpful and responsive people. You should probably pose these
> questions there to see what they have to say.
>
> -- Sam Clippinger
>
> Kent Busbee wrote:
>> I've heard so many good things about spamdyke, I am wondering what flaws
>> it might have. From my understanding greylisting is the key to its
>> success.
>>
>> -Will it block wanted newsletters, email lists, email subscriptions? Or
>> will it greylist the first attempt and then deliver the next a day, week,
>> or month later.
>>
>> -Will it unintentionally prevent things like online tickets orders,
>> receipts from online orders, password verifications, etc.
>>
>> -Does it work well with the major online email systems accepting emails
>> from gmail, yahoo, hotmail, etc.
>>
>> -Do you need an Certificate SSL for your site? For each site hosted?
>>
>> -Is it easy to tweek the lists? Move an address/domain from greylist to
>> whitelist or blacklist?
>>
>> -If a message is lost/rejected/greylisted, is it possible to pull it back
>> and deliver it?
>>
>> -What other problems/unexpected results did you get from installing?
>>
--
-Eric 'shubes'
---------------------------------------------------------------------
QmailToaster hosted by: VR Hosted <http://www.vr.org>
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
