Re: How would you provide a 554 rejection notice for spam?

2007-08-01 Thread mouss
John D. Hardin wrote: On Tue, 31 Jul 2007, mouss wrote: running SA at smtp time requires that the client does not timeout. so you'd better scan fast! you're also more subject to DOS (your smtp listeners are busy). compare this to queue and filter... okay, here's a sick idea: (1) MTA

Re: How would you provide a 554 rejection notice for spam?

2007-08-01 Thread Per Jessen
Rick Macdougall wrote: > Sort of like grey listing, which I do run on my personal domain, but I > wouldn't use that method because of the inherent delay caused by the > 4xx retry. Only happens once though. /Per Jessen, Zürich

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Duane Hill
On Tue, 31 Jul 2007 at 18:20 -0400, [EMAIL PROTECTED] confabulated: John D. Hardin wrote: On Tue, 31 Jul 2007, mouss wrote: running SA at smtp time requires that the client does not timeout. so you'd better scan fast! you're also more subject to DOS (your smtp listeners are busy). compare thi

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Rick Macdougall
John D. Hardin wrote: On Tue, 31 Jul 2007, mouss wrote: running SA at smtp time requires that the client does not timeout. so you'd better scan fast! you're also more subject to DOS (your smtp listeners are busy). compare this to queue and filter... okay, here's a sick idea: (1) MTA complete

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread John D. Hardin
On Tue, 31 Jul 2007, mouss wrote: > running SA at smtp time requires that the client does not timeout. > so you'd better scan fast! you're also more subject to DOS (your > smtp listeners are busy). compare this to queue and filter... okay, here's a sick idea: (1) MTA completes the SMTP exchange

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Rick Macdougall
Hi, mouss wrote: Rick Macdougall wrote: simscan correctly uses an SMTP REJECT (55x code during the smtp conversation) and it is also possible to use custom reject messages with simscan so the sender, if any, knows exactly why the message was rejected. I have yet to see a good implementati

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread mouss
Rick Macdougall wrote: simscan correctly uses an SMTP REJECT (55x code during the smtp conversation) and it is also possible to use custom reject messages with simscan so the sender, if any, knows exactly why the message was rejected. I have yet to see a good implementation of this in Postf

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread hamann . w
>> >> Diego Pomatta wrote: >> > But is not qmail's job to detect spam >> >> True. >> >> > or tell the sender what the >> > problem was; >> >> True only for your local site policy; most people who reject spam would >> like to let the sender know so legitimate senders can rearrange their >> m

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Diego Pomatta
Kris Deugau escribió: I don't drop anything but confirmed viruses on my *personal* mail system, never mind the systems I'm responsible for at work; I shudder to think of the cries of outrage if I silently dropped spam on the ISP mail systems I administer. (There *have* been business-related F

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Kris Deugau
Diego Pomatta wrote: But is not qmail's job to detect spam True. or tell the sender what the problem was; True only for your local site policy; most people who reject spam would like to let the sender know so legitimate senders can rearrange their message to try again. More generally, i

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Matus UHLAR - fantomas
> Matus UHLAR - fantomas escribió: > >when we ran qmail, we had false positives, and we did not like the fact we > >could not tell sender what the problem was... On 31.07.07 08:41, Diego Pomatta wrote: > But is not qmail's job to detect spam or tell the sender what the > problem was; qmail is jus

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread John Rudd
John Rudd wrote: dalchri wrote: Well, I setup MIMEDefang. Everything is working as I want except that the (fake) rejected mail does not make it through the milter to Exchange. I used action_bounce to reject the message in mimedefang-filter. Is there a way to send the rejection code but still

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread John Rudd
John Rudd wrote: dalchri wrote: Well, I setup MIMEDefang. Everything is working as I want except that the (fake) rejected mail does not make it through the milter to Exchange. I used action_bounce to reject the message in mimedefang-filter. Is there a way to send the rejection code but still

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread John Rudd
dalchri wrote: Well, I setup MIMEDefang. Everything is working as I want except that the (fake) rejected mail does not make it through the milter to Exchange. I used action_bounce to reject the message in mimedefang-filter. Is there a way to send the rejection code but still get the message th

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread dalchri
Well, I setup MIMEDefang. Everything is working as I want except that the (fake) rejected mail does not make it through the milter to Exchange. I used action_bounce to reject the message in mimedefang-filter. Is there a way to send the rejection code but still get the message through the milter

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Diego Pomatta
Matus UHLAR - fantomas escribió: when we ran qmail, we had false positives, and we did not like the fact we could not tell sender what the problem was... But is not qmail's job to detect spam or tell the sender what the problem was; qmail is just the MTA, and a damn fine one imho. A filter/

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Chris Edwards
On Sun, 29 Jul 2007, dalchri wrote: | Although a rejection notice was sent, we still retained the spam. This | meant that when our users got a call from their customer about the | rejected spam, they could quickly locate the message without it having | to be resent. Hi, So you want to return

Re: How would you provide a 554 rejection notice for spam?

2007-07-31 Thread Matus UHLAR - fantomas
On 30.07.07 17:49, Diego Pomatta wrote: > No problems here whatsoever. > And... I don't understand the point. Every piece of software has bugs. > Even the e-mail client you used to create your msg.- of course. but qmail has too much of them, some of them are really annoying (at least for some peo

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread John Rudd
Rick Macdougall wrote: John Rudd wrote: Diego Pomatta wrote: That sounds more like "bounce and return" than "reject". If you reject, the only chance you get to send an error is in the 1 line SMTP 5xx response code. If you really do mean "bounce and return" (accept the message with SMTP 2xx

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Rick Macdougall
John Rudd wrote: Diego Pomatta wrote: That sounds more like "bounce and return" than "reject". If you reject, the only chance you get to send an error is in the 1 line SMTP 5xx response code. If you really do mean "bounce and return" (accept the message with SMTP 2xx code, craft a new messa

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread John Rudd
Diego Pomatta wrote: Jim Maul escribió: Matus UHLAR - fantomas wrote: On 30.07.07 13:25, Spamassassin List wrote: Any idea for qmail? if you excuse a big of irony, I'd say: drop it. There are many better MTA's than qmail. There's imho much less worse solutions... According to who, you? He

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Diego Pomatta
Matus UHLAR - fantomas escribió: On 30.07.07 14:10, Diego Pomatta wrote: LoL. qmail rocks. yes, google for "qmail bugs and withlist" for more info. No problems here whatsoever. And... I don't understand the point. Every piece of software has bugs. Even the e-mail client you used

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Matus UHLAR - fantomas
> >>On 30.07.07 13:25, Spamassassin List wrote: > >>>Any idea for qmail? > >Matus UHLAR - fantomas wrote: > >>if you excuse a big of irony, I'd say: drop it. There are many better > >>MTA's than qmail. There's imho much less worse solutions... > Jim Maul escribió: > >According to who, you? > > >

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Diego Pomatta
Jim Maul escribió: Matus UHLAR - fantomas wrote: On 30.07.07 13:25, Spamassassin List wrote: Any idea for qmail? if you excuse a big of irony, I'd say: drop it. There are many better MTA's than qmail. There's imho much less worse solutions... According to who, you? He asked for a solution

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Jim Maul
Matus UHLAR - fantomas wrote: On 30.07.07 13:25, Spamassassin List wrote: Any idea for qmail? if you excuse a big of irony, I'd say: drop it. There are many better MTA's than qmail. There's imho much less worse solutions... According to who, you? He asked for a solution for qmail. If you d

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Matus UHLAR - fantomas
On 30.07.07 13:25, Spamassassin List wrote: > Any idea for qmail? if you excuse a big of irony, I'd say: drop it. There are many better MTA's than qmail. There's imho much less worse solutions... -- Matus UHLAR - fantomas, [EMAIL PROTECTED] ; http://www.fantomas.sk/ Warning: I wish NOT to receiv

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Jason Haar
Spamassassin List wrote: > > Any idea for qmail? Look on www.qmail.org for links - e.g. Qmail-Scanner allows you the option of generating the bounce - or SMTP-level rejecting it as mentioned in this thread. -- Cheers Jason Haar Information Security Manager, Trimble Navigation Ltd. Phone: +64 3 9

Re: How would you provide a 554 rejection notice for spam?

2007-07-30 Thread Jeremy Kister
On 7/30/2007 1:30 AM, I wrote: > use simscan. http://www.inter7.com/simcsan oops, that's http://www.inter7.com/simscan -- Jeremy Kister http://jeremy.kister.net./

Re: How would you provide a 554 rejection notice for spam?

2007-07-29 Thread Jeremy Kister
On 7/30/2007 1:25 AM, Spamassassin List wrote: > Any idea for qmail? use simscan. http://www.inter7.com/simcsan -- Jeremy Kister http://jeremy.kister.net./

Re: How would you provide a 554 rejection notice for spam?

2007-07-29 Thread Spamassassin List
dalchri wrote: I've recently put SpamAssassin in front of my Exchange server as an SMTP proxy. Our previous spam filter would provide a 554 rejection notice for anything that was identified as spam. This meant that any FP would be notified so that email would not get silently ignored. Although

Re: How would you provide a 554 rejection notice for spam?

2007-07-29 Thread Matt Kettler
dalchri wrote: > I've recently put SpamAssassin in front of my Exchange server as an SMTP > proxy. Our previous spam filter would provide a 554 rejection notice for > anything that was identified as spam. This meant that any FP would be > notified so that email would not get silently ignored. Al

Re: How would you provide a 554 rejection notice for spam?

2007-07-29 Thread Shane Williams
If you're running sendmail, then spamass-milter is the way to go. On Sun, 29 Jul 2007, dalchri wrote: I've recently put SpamAssassin in front of my Exchange server as an SMTP proxy. Our previous spam filter would provide a 554 rejection notice for anything that was identified as spam. This m