Looks like POSTFIX is checking something on each delivery try using the SENDER DOMAIN.
On Tue, Mar 15, 2011 at 11:17 AM, Rafael Azevedo <raf...@gmail.com> wrote: > Hi, > > Actually I believe that there is a DNS problem on that MX server, > cause PTR is set properly. > > The delay is not on the delivery, but when my application connects to > the MX SERVER and send the messages. When using ZOOM4U.COM.BR, my > application sends only 2 messages per second and there is no > limitation in that system. > > When I change the sender domain, the application almost burns the > server with the very fast sending messages. > > The log file for the google account (the delivery worked cause there > is no DNS problems there). > > Mar 15 11:14:22 mxcluster postfix/smtp[2891]: 8F8C3FAC35: > to=<raf...@gmail.com>, > relay=gmail-smtp-in.l.google.com[74.125.159.27]:25, delay=4.3, > delays=0.53/0.01/0.52/3.2, dsn=2.0.0, status=sent (250 2.0.0 OK > 1300198390 d10si21857046and.121) > > > Again, the delay is when I connect to the SMTP to SEND the email FROM > THE APPLICATION. The SMTP is sending messages really fast to other > SMTPs. > > Thanks in advance. > Rafael > > > On Tue, Mar 15, 2011 at 11:10 AM, Wietse Venema <wie...@porcupine.org> 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. >> >> You forgot the logfile record with the status=xxx and delay=yyy >> of message 70E82E42D0. >> >> > >> > # FASTER DOMAIN >> > Mar 15 10:37:47 mxcluster postfix/smtpd[19313]: connect from >> > srv01.iagentemail.com.br[189.38.86.124] >> > Mar 15 10:37:47 mxcluster postfix/smtpd[19313]: 45B50E42F5: client= >> > srv01.iagentemail.com.br[189.38.86.124] >> > Mar 15 10:37:47 mxcluster postfix/cleanup[22025]: 45B50E42F5: message-id=< >> > 950c281e36abb9600cdf730baff00...@iagentemail.com.br> >> > Mar 15 10:37:47 mxcluster dkim-filter[4513]: 45B50E42F5 "DKIM-Signature" >> > header added >> > Mar 15 10:37:47 mxcluster postfix/qmgr[27773]: 45B50E42F5: from=< >> > reto...@iagentemail.com.br>, size=630, nrcpt=2 (queue active) >> > Mar 15 10:37:47 mxcluster postfix/smtpd[19313]: lost connection after RSET >> > from srv01.iagentemail.com.br[189.38.86.124] >> > Mar 15 10:37:47 mxcluster postfix/smtpd[19313]: disconnect from >> > srv01.iagentemail.com.br[189.38.86.124] >> >> You forgot the logfile record with the status=xxx and delay=yyy >> of message 45B50E42F5. >> >> Wietse >
