Re: Service currently unavailable

2017-07-05 Thread Wietse Venema
siefke_lis...@web.de: > Hello, > > i have the problem that all mails hang by postscreen. I think I be not > sure. I can not find a mistake in configuration. But local and from > outside hang all mails in postscreen and goes not through. > > [root@de-fra ~]# cat /var/log/mail.log | grep

Re: Service currently unavailable

2017-07-05 Thread /dev/rob0
On Wed, Jul 05, 2017 at 03:44:19PM +0200, siefke_lis...@web.de wrote: > i have the problem that all mails hang by postscreen. I think I be > not sure. I can not find a mistake in configuration. But local and > from outside hang all mails in postscreen and goes not through. > > [root@de-fra ~]#

is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread Stefan Sticht
Hi, is there a RFC or similar which suggests/requires that the helo name should be DNS resolvable? Cheers, Stefan smime.p7s Description: S/MIME Cryptographic Signature

Service currently unavailable

2017-07-05 Thread siefke_lis...@web.de
Hello, i have the problem that all mails hang by postscreen. I think I be not sure. I can not find a mistake in configuration. But local and from outside hang all mails in postscreen and goes not through. [root@de-fra ~]# cat /var/log/mail.log | grep "74.125.82.44" Jul 5 15:21:25

Re: is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread /dev/rob0
On Wed, Jul 05, 2017 at 06:57:17PM +0200, Stefan Sticht wrote: > is there a RFC or similar which suggests/requires that the helo > name should be DNS resolvable? I think you are looking for RFC 5321: https://tools.ietf.org/html/rfc5321#section-2.3.5 See also section 4.1.4 as linked from there,

Re: is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread Viktor Dukhovni
On Wed, Jul 05, 2017 at 06:57:17PM +0200, Stefan Sticht wrote: > Is there a RFC or similar which suggests/requires that the helo name should > be DNS resolvable? SMTP is defined in RFC 5321 (which obsoletes 2821 and 821). -- Viktor.

Re: is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread Robert Schetterer
Am 05.07.2017 um 19:15 schrieb Viktor Dukhovni: > On Wed, Jul 05, 2017 at 06:57:17PM +0200, Stefan Sticht wrote: > >> Is there a RFC or similar which suggests/requires that the helo name should >> be DNS resolvable? > > SMTP is defined in RFC 5321 (which obsoletes 2821 and 821). > I think the

Re: is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread /dev/rob0
On Wed, Jul 05, 2017 at 03:11:57PM -0400, Miles Fidelman wrote: > The language in RFC 5231 does not explicitly say that the HELO name > should be resolvable, but strongly implies it. No, it does. Note that "domain" is given as the argument to EHLO, and see how "domain" is defined in 2.3.5.

Re: is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread Viktor Dukhovni
On Wed, Jul 05, 2017 at 02:41:30PM -0500, /dev/rob0 wrote: > o The domain name given in the EHLO command MUST be either a primary >host name (a domain name that resolves to an address RR) or, if >the host has no name, an address literal, as described in >Section 4.1.3 and discussed

Re: is there a RFC which suggests that the helo name should be DNS resolvable

2017-07-05 Thread Miles Fidelman
On 7/5/17 2:45 PM, Robert Schetterer wrote: Am 05.07.2017 um 19:15 schrieb Viktor Dukhovni: On Wed, Jul 05, 2017 at 06:57:17PM +0200, Stefan Sticht wrote: Is there a RFC or similar which suggests/requires that the helo name should be DNS resolvable? SMTP is defined in RFC 5321 (which