Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-11 Thread mouss
Paweł Leśniak a écrit : mouss pisze: João Miguel Neves a écrit : OK, I'll take that into consideration if I re-enable SAV. if you re-enable SAV, do as much checks as you can. the minimum is zen.spamhaus.org. but you can also use spamcop. it would also be good to do it after

No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread João Miguel Neves
Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing that text. My conclusion is that there's no reason not to use reject_unverified

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread John Peach
On Tue, 10 Feb 2009 18:49:05 + Jo__o Miguel Neves joao.ne...@intraneia.com wrote: Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread Noel Jones
João Miguel Neves wrote: The SAV check in postfix is done with the postmaster address by default. Recent postfix (2.5 and newer) use $double_bounce_sender as the default for address_verify_sender. This recipient is always valid, never delivered.

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread Paweł Leśniak
João Miguel Neves pisze: Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing that text. My conclusion is that there's no reason not to

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread mouss
João Miguel Neves a écrit : Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing that text. My conclusion is that there's no reason

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread João Miguel Neves
Paweł Leśniak escreveu: João Miguel Neves pisze: Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing that text. My conclusion is that

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread mouss
Paweł Leśniak a écrit : [snip] Well, to be honest, I believe you did. If you will do many checks to the same server (have on mind large ISPs with many domains) with different emails, then probably your server will get blacklisted to send email from postmaster@ (at least). If you want

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread João Miguel Neves
mouss escreveu: João Miguel Neves a écrit : Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing that text. My

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread Wietse Venema
Jo??o Miguel Neves: Pawe? Le?niak escreveu: Jo?o Miguel Neves pisze: Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread mouss
João Miguel Neves a écrit : OK, I'll take that into consideration if I re-enable SAV. if you re-enable SAV, do as much checks as you can. the minimum is zen.spamhaus.org. but you can also use spamcop. it would also be good to do it after greylisting, but this means your GL server need to

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread mouss
Paweł Leśniak a écrit : [snip] let me fork a little: SAV on _header_ addresses is plain dumb: Dec 15 11:25:33 imlil postmx/smtpd[23878]: NOQUEUE: warn: RCPT from chlothar.bnv-bamberg.de[217.146.130.193]: Transaction logged: PTR=chlothar.bnv-bamberg.de; from=spamch...@bnv-bamberg.de

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread Charles Marcus
On 2/10/2009 1:49 PM, João Miguel Neves wrote: Charles Marcus escreveu: Here's a link informing why indiscriminate use of SAV is bad, and what it should be used for: http://www.backscatterer.org/?target=sendercallouts OK, I've finished reading and analyzing that text. My conclusion is that

Re: No reason not to use reject_unverified sender (was Re: reject_unverified_sender vs greylisting)

2009-02-10 Thread Paweł Leśniak
mouss pisze: João Miguel Neves a écrit : OK, I'll take that into consideration if I re-enable SAV. if you re-enable SAV, do as much checks as you can. the minimum is zen.spamhaus.org. but you can also use spamcop. it would also be good to do it after greylisting, but this means