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[opensuse] Is it possible to send email with postfix without DNS?
  • From: "Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>
  • Date: Sat, 31 Aug 2013 20:01:19 +0200 (CEST)
  • Message-id: <alpine.LNX.2.00.1308311953520.7832@Telcontar.valinor>
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Hi,

I want to send email from one local computer to another one, without setting up DNS, but it fails:


AmonLanc:~ # mail cer@telcontar.valinor
Subject: hola
texto
.
EOT
AmonLanc:~ #


2013-08-31T19:51:04.530239+02:00 AmonLanc postfix/qmgr[2299]: 5FC09486D2: from=<root@AmonLanc.valinor>, size=432, nrcpt=1 (queue active)
2013-08-31T19:51:05.999838+02:00 AmonLanc postfix/smtp[20364]: 5FC09486D2: to=<cer@telcontar.valinor>, relay=none, delay=1.7, delays=0.34/0.06/1.3/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service
error for name=telcontar.valinor type=AAAA: Host not found)


The destination address is solvable to ping, but not to "host", because the later uses DNS.

So far, my only solution is to implement a DNS server, but I hesitate to do it as this machine has little ram (500M). Some people claimed to make postfix work with only the /etc/hosts file, but it does not work for me. Or perhaps I misunderstood.

I have in "/etc/nsswitch.conf":

networks: files dns



- -- Cheers

Carlos E. R.
(from 12.3 x86_64 "Dartmouth" at Telcontar)

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