[policyd-users] greylisting vs postfix smtpd_hard_error_limit

2007-08-30 Thread Geert Hendrickx
Hi, has anyone experienced bad interaction between greylisting and (by default) low smtpd_hard_error_limit settings in postfix? Our smtpd_hard_error_limit has always been pretty high so I can't tell from my own experience. But with greylisting, clients get an error on each RCPT command

Re: [policyd-users] greylisting vs postfix smtpd_hard_error_limit

2007-08-30 Thread Cami Sardinha
Cami Sardinha wrote: Geert Hendrickx wrote: Hi, has anyone experienced bad interaction between greylisting and (by default) low smtpd_hard_error_limit settings in postfix? Our smtpd_hard_error_limit has always been pretty high so I can't tell from my own experience. But with greylisting,

Re: [policyd-users] greylisting vs postfix smtpd_hard_error_limit

2007-08-30 Thread Geert Hendrickx
On Thu, Aug 30, 2007 at 02:32:08PM +0200, Cami Sardinha wrote: As Wietse has pointed out, you should be whitelisting the legitimate bulk senders.. In an ISP environment, it is not obvious to know all your legitimate smtp clients... Geert

Re: [policyd-users] greylisting vs postfix smtpd_hard_error_limit

2007-08-30 Thread Cami Sardinha
Geert Hendrickx wrote: On Thu, Aug 30, 2007 at 02:32:08PM +0200, Cami Sardinha wrote: As Wietse has pointed out, you should be whitelisting the legitimate bulk senders.. In an ISP environment, it is not obvious to know all your legitimate smtp clients.. Indeed. We had training mode running

Re: [policyd-users] greylisting vs postfix smtpd_hard_error_limit

2007-08-30 Thread Geert Hendrickx
On Thu, Aug 30, 2007 at 03:27:08PM +0200, Cami Sardinha wrote: Indeed. We had training mode running for about 2 months in order to identify the top senders / email addresses. After that point when people complained, they were whitelisted. There was a 2 - 3 weeks teething period after going

Re: [policyd-users] greylisting vs postfix smtpd_hard_error_limit

2007-08-30 Thread Cami Sardinha
Geert Hendrickx wrote: On Thu, Aug 30, 2007 at 03:27:08PM +0200, Cami Sardinha wrote: Indeed. We had training mode running for about 2 months in order to identify the top senders / email addresses. After that point when people complained, they were whitelisted. There was a 2 - 3 weeks