Hi Tom, I've just fixed the DNS problem.
I'm still having problem with the connection delay for some domains... Thanks for helping!! Rafael On Tue, Mar 15, 2011 at 11:27 AM, Tom Hendrikx <t...@whyscream.net> wrote: > On 15/03/11 15:10, Wietse Venema wrote: >> Rafael Azevedo: >> [ Charset ISO-8859-1 unsupported, converting... ] >>> Hi Wietse! >>> >>> Thanks again for helping me! >>> >>> Here is the postfix log: >>> >>> # SLOW DOMAIN >>> Mar 15 10:37:46 mxcluster postfix/smtpd[22804]: connect from >>> srv01.iagentemail.com.br[189.38.86.124] >>> Mar 15 10:37:46 mxcluster postfix/smtpd[22804]: 70E82E42D0: client= >>> srv01.iagentemail.com.br[189.38.86.124] >>> Mar 15 10:37:46 mxcluster postfix/cleanup[21751]: 70E82E42D0: message-id=< >>> 8d3ee53c5d281ab3dae9471182931...@iagentemail.com.br> >>> Mar 15 10:37:46 mxcluster dkim-filter[4513]: 70E82E42D0 "DKIM-Signature" >>> header added >>> Mar 15 10:37:47 mxcluster postfix/qmgr[27773]: 70E82E42D0: from=< >>> reto...@iagentemail.com.br>, size=629, nrcpt=2 (queue active) >>> Mar 15 10:37:47 mxcluster postfix/smtp[23002]: 70E82E42D0: host >>> mx2.iagente.com.br[189.38.95.92] said: 450 4.7.1 Client host rejected: >>> cannot find your hostname, [187.1.133.20] (in reply to RCPT TO command) >>> Mar 15 10:37:47 mxcluster postfix/smtpd[22804]: lost connection after RSET >>> from srv01.iagentemail.com.br[189.38.86.124] >>> Mar 15 10:37:47 mxcluster postfix/smtpd[22804]: disconnect from >>> srv01.iagentemail.com.br[189.38.86.124] >> >> The above message is rejected because 187.1.133.20 has no PTR record. > > There are 2 nameservers listed in DNS that should have PTR records for > 133.1.187.in-addr.arpa, both of these have 2 ip-addresses, resulting in > 4 DNS servers to check. Two of these return correct data, the other two > return no PTR record, and a strange looking SOA, for that matter. > > $ dig ns 133.1.187.in-addr.arpa > > ; <<>> DiG 9.7.1-P2 <<>> ns 133.1.187.in-addr.arpa > ;; global options: +cmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34523 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 4 > > ;; QUESTION SECTION: > ;133.1.187.in-addr.arpa. IN NS > > ;; ANSWER SECTION: > 133.1.187.in-addr.arpa. 5234 IN NS ns1.dns2.com.br. > 133.1.187.in-addr.arpa. 5234 IN NS ns2.dns2.com.br. > > ;; ADDITIONAL SECTION: > ns1.dns2.com.br. 84434 IN A 187.1.143.64 > ns1.dns2.com.br. 84434 IN A 189.38.86.79 > ns2.dns2.com.br. 84434 IN A 187.1.143.65 > ns2.dns2.com.br. 84434 IN A 189.38.86.80 > > $ dig +short -x 187.1.133.20 @189.38.86.79 > mxcluster.iagentemail.com.br. > => OK > > $ dig +short -x 187.1.133.20 @187.1.143.64 > => No PTR, this is your problem > > $ dig +short soa 133.1.187.in-addr.arpa @187.1.143.64 > cyrus.webpro.com.br. raffus.gmail.com. 1299803423 10800 3600 604800 10800 > => Google mailbox as hostmaster address? > > I think the person maintaining the DNS address space of *your > mailserver* made a typo or a config error somewhere. > > Regards, > Tom > >
