Mailinglist Archive: opensuse (880 mails)

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Re: [opensuse] Is it possible to send email with postfix without DNS?
Probably not. Postfix doesn't like cer@192.168.1.101, an IP address instead
of a domain name. Maybe someone else can come up with a hack around the
restriction.

Jeffrey

Quoting Carlos E. R. <robin.listas@xxxxxxxxxxxxxx>:
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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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