Patching require_resolvable_fromhost

2009-07-29 Thread Larry Nedry
Hi All, The require_resolvable_fromhost plugin returns DENYSOFT when a host doesn't resolve. This makes sense with a well behaved host. But I've noticed that some hosts that don't resolve will continuously retry and never seem to disconnect. Sometimes this goes on for days. Is there a good rea

Re: Patching require_resolvable_fromhost

2009-07-30 Thread Ask Bjørn Hansen
On Jul 29, 2009, at 1:14 PM, Larry Nedry wrote: The require_resolvable_fromhost plugin returns DENYSOFT when a host doesn't resolve. This makes sense with a well behaved host. But I've noticed that some hosts that don't resolve will continuously retry and never seem to disconnect. The

Re: Patching require_resolvable_fromhost

2009-07-30 Thread Peter J. Holzer
On 2009-07-29 15:14:29 -0500, Larry Nedry wrote: > The require_resolvable_fromhost plugin returns DENYSOFT when a host doesn't > resolve. This makes sense with a well behaved host. I'm not so sure about that. The idea was that returning DENYSOFT gives both the sender and the recipient a few days

Re: Patching require_resolvable_fromhost

2009-07-30 Thread Charlie Brady
On Wed, 29 Jul 2009, Larry Nedry wrote: Hi All, The require_resolvable_fromhost plugin returns DENYSOFT when a host doesn't resolve. This makes sense with a well behaved host. But I've noticed that some hosts that don't resolve will continuously retry and never seem to disconnect. Sometimes

Re: Patching require_resolvable_fromhost

2009-07-30 Thread Chris Lewis
Charlie Brady wrote: On Wed, 29 Jul 2009, Larry Nedry wrote: Hi All, The require_resolvable_fromhost plugin returns DENYSOFT when a host doesn't resolve. This makes sense with a well behaved host. But I've noticed that some hosts that don't resolve will continuously retry and never seem to d

Re: Patching require_resolvable_fromhost

2009-07-30 Thread Larry Nedry
On 7/30/09 at 11:18 AM -0400 Charlie Brady wrote: >Do they really fail to disconnect *and* continuously retry? That >combination seems umlikely to me. Of course this has caused my log files to rollover much faster than usual but I did capture the logs for a stretch of 6.0 hours for a single connec

Re: Patching require_resolvable_fromhost

2010-02-06 Thread Larry Nedry
On 7/30/09 at 3:37 PM -0500 Larry Nedry wrote: >This "woodpeckering" has been going on non-stop for the last 4 days. On >average each connection was retrying about 25 times per minute. At its >peaks there were about 30 connections, each retrying at about 60 times per >minute. > >On 7/30/09 at 12:

Re: Patching require_resolvable_fromhost

2010-02-13 Thread Ask Bjørn Hansen
On Feb 6, 2010, at 12:41, Larry Nedry wrote: > Here's my patch for require_resolvable_fromhost. As Chris Lewis suggested, > delaying rejection until the RCPT TO hook solved the problem. Thank you for making a git repository with the change; I pulled it into my branch. - ask