you need add a RDNS for ip address of your smtp server's.
On Tue, 1 Mar 2011 10:13:10 +0200, Eero Volotinen wrote: > 2011/3/1 kapetr : >> Hello, I need help to get sending e-mails out fo my Ubuntu 10.10 box. My PC is connected via ADSL modem (NAT) with static public IP adress. It is standard "Internet client" standalone computer. I want to use Postix (e.g while logging of sent mails, ..) instead of using my ISP's SMTP server. So I have installed Postfix. If I send (from Evolution MUA) test email via Postfix from to e.g. , then all goes OK. But if I send email to , then it FAILS. In log is: ------------------------------------- Mar 1 08:28:46 duron650 postfix/qmgr[12923]: 4F758A2F17: from=, size=572, nrcpt=1 (queue active) Mar 1 08:28:47 duron650 postfix/smtp[13007]: 4F758A2F17: to=, relay=gmail-smtp-in.l.google.com[74.125.39.27]:25, delay=0.99, delays=0.41/0.11/0.28/0.2, dsn=5.7.1, status=bounced (host gmail-smtp-in.l.google.com[74.125.39.27] said: 550-5.7.1 [85.71.234.108] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use the SMTP relay at your 550-5.7.1 service provider instead. Learn more at 550 5.7.1 http://mail.google.com/support/bin/answer.py?answer=10336 [6] a17si5071366fak.100 (in reply to end of DATA command)) Mar 1 08:28:47 duron650 postfix/cleanup[13003]: 46508A2F18: message-id= Mar 1 08:28:47 duron650 postfix/qmgr[12923]: 46508A2F18: from=, size=3139, nrcpt=1 (queue active) Mar 1 08:28:47 duron650 postfix/bounce[13014]: 4F758A2F17: sender non-delivery notification: 46508A2F18 Mar 1 08:28:47 duron650 postfix/qmgr[12923]: 4F758A2F17: removed Mar 1 08:28:50 duron650 postfix/smtp[13007]: 46508A2F18: to=, relay=mx50.seznam.cz[77.75.77.47]:25, delay=3, delays=0.08/0.01/2.1/0.82, dsn=2.0.0, status=sent (250 2.0.0 Mail 5201 queued for delivery in session 7c9300000034.) Mar 1 08:28:50 duron650 postfix/qmgr[12923]: 46508A2F18: removed ------------------------------- I have spent many time with googling about this. I have found many questions, but no answers. So I have try change my "myhostname" in main.cf (and restart postfix): myhostname = 108.234.broadband4.iol.cz This is the correct (from reverse DNS lookup) name of my "outside" address. But this do not help. So ... what is the problem ? What kind of test exact does the server of Google mail ? Haw to satisfy its requirements ? > Google is possibly blocking your dynamic ip range, you need to use smarthost. ("relayhost") -- Eero -- Best Cheer (XiaMen) Stone Works CO.,LTP. Phone: 0592-7221600 Links: ------ [1] mailto:jiri.pa...@email.cz [2] mailto:jiri.pa...@centrum.cz [3] mailto:kenap.i...@gmail.com [4] mailto:jiri.pa...@email.cz [5] mailto:kenap.i...@gmail.com [6] http://mail.google.com/support/bin/answer.py?answer=10336 [7] mailto:20110301072847.46508a2...@108.234.broadband4.iol.cz [8] mailto:jiri.pa...@email.cz [9] mailto:kap...@mizera.cz
