On Wed, 17 Sep 2008, Mike Grayver wrote: > I have this problem because reverse DNS is broken ( the DNS query > returns SERVFAIL ) for one of subnets and it takes 30sec for Exim to > timeout and generate SMTP prompt. > Is it possible configure EXIM don't do reverse DNS for some IP > addresses.
Get the DNS server fixed, rather than working around the issue? Jethro. > > Thanks. > Mike. > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Eli Sand > Sent: Wednesday, September 17, 2008 6:05 AM > To: [email protected] > Subject: Re: [exim] SMTP prompt 30sec delay > > > It takes 30sec to get SMTP prompt if reverse DNS resolution for the > > Connecting client IP address returns SERVFAIL error. Can I make exim > > ignore this error and produce SMTP prompt without delay for one > > client.. > > You may have "host_lookup" set to * which would make it do DNS lookups > for > every host that connects. I don't know if it does reverse DNS, but this > may > likely be the issue. If not, check your connection ACLs to see if > anything > is being done that with DNS. > > Eli. > > > -- > ## List details at http://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ > > -- > ## List details at http://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ > . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Jethro R Binks Computing Officer, IT Services University Of Strathclyde, Glasgow, UK -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
