[amres-info] [rc-admin] Re: Problem sa Gmail-om

Bojan Tepavcevic bojt at imk.grf.bg.ac.rs
Mon Dec 9 14:37:49 CET 2013 

Ni meni.

Ima li iko problem a da nije na   elfak.ni.ac.rs  /  .ni.ac.rs ?

poz, b.


At 14:28 12/9/2013, perun at etf.rs wrote:


>Nebi trebalo da to pravi problem, meni ne pravi sa googlom.
>
>Evo mi moj heder
>
>Delivered-To: jelesije at gmail.com
>Received: by 10.70.126.99 with SMTP id mx3csp141059pdb;
>         Mon, 9 Dec 2013 05:13:42 -0800 (PST)
>X-Received: by 10.205.96.67 with SMTP id cf3mr5965067bkc.32.1386594821565;
>         Mon, 09 Dec 2013 05:13:41 -0800 (PST)
>Return-Path: <perun at etf.rs>
>Received: from mx1.etf.bg.ac.rs (mx1.etf.rs. [147.91.14.169])
>         by mx.google.com with ESMTPS id 
> uo7si4908772bkb.328.2013.12.09.05.13.40
>         for <jelesije at gmail.com>
>         (version=TLSv1 cipher=RC4-SHA bits=128/128);
>         Mon, 09 Dec 2013 05:13:41 -0800 (PST)
>Received-SPF: pass (google.com: domain of 
>perun at etf.rs designates 147.91.14.169 as 
>permitted sender) client-ip=147.91.14.169;
>Authentication-Results: mx.google.com;
>        spf=pass (google.com: domain of 
> perun at etf.rs designates 147.91.14.169 as 
> permitted sender) smtp.mail=perun at etf.rs
>Received: from localhost (avs2.etf.rs [147.91.14.173])
>         by mx1.etf.bg.ac.rs (Postfix) with ESMTP id 434901201C6
>         for <jelesije at gmail.com>; Mon,  9 Dec 2013 14:13:40 +0100 (CET)
>X-Virus-Scanned: amavisd-new at etf.rs
>Received: from mx2.etf.bg.ac.rs ([147.91.14.170])
>         by localhost (avs2.etf.rs [147.91.14.171]) (amavisd-new, port 10026)
>         with ESMTP id TviP+agt7Wh1 for <jelesije at gmail.com>;
>         Mon,  9 Dec 2013 14:13:34 +0100 (CET)
>Received: from itacademy.etf.rs (itacademy.etf.rs [147.91.13.41])
>         (using TLSv1 with cipher AES128-SHA (128/128 bits))
>         (No client certificate requested)
>         by mx2.etf.bg.ac.rs (Postfix) with ESMTP id 35E0D600FE
>         for <jelesije at gmail.com>; Mon,  9 Dec 2013 14:13:34 +0100 (CET)
>Received: from itacademy.rcetf.local ([2002:935b:d29::935b:d29]) by
>itacademy.rcetf.local ([2002:935b:d29::935b:d29]) with mapi id
>
>14.03.0123.003; Mon, 9 Dec 2013 14:12:14 +0100
>From: =?iso-8859-2?Q?Predrag_Jelesijevi=E6?= <perun at etf.rs>
>To: "jelesije at gmail.com" <jelesije at gmail.com>
>Subject: gmail
>Thread-Topic: gmail
>Thread-Index: Ac704EZzuE0I3Nj+QHK13xdC1tx9fw==
>Date: Mon, 9 Dec 2013 13:12:13 +0000
>Message-ID: <4FC048DD41BD6840A5C57A744DF7CE0C0C4E6F8C at itacademy.rcetf.local>
>Accept-Language: en-US
>Content-Language: en-US
>X-MS-Has-Attach:
>X-MS-TNEF-Correlator:
>x-originating-ip: [147.91.13.27]
>
>
>Poz
>Pedja
>
>
>
>---
>Predrag Jelesijević
>sistem administrator
><mailto:perun at etf.bg.ac.rs>perun at etf.bg.ac.rs
>
>Računski centar ETF Beograd
><http://rc.etf.bg.ac.rs>http://rc.etf.bg.ac.rs
>
>From: amres-info-bounces at amres.ac.rs 
>[mailto:amres-info-bounces at amres.ac.rs] On Behalf Of Bojan Vitnik
>Sent: Monday, December 9, 2013 2:15 PM
>To: amres-info at amres.ac.rs
>Subject: [rc-admin] Re: [amres-info] Problem sa Gmail-om
>
>
>Poštovani kolega,
>
>
>
>DKIM nije neophodan čak ni za Google a zna da stvori više problema
>
>nego što od njega ima koristi.
>
>
>
>Pozdrav.
>
>
>
>Bojan Vitnik
>
>On Mon, 09.12.2013 14:05, "Dusan M. Vuckovic" 
><<mailto:Dusan.Vuckovic at elfak.ni.ac.rs>Dusan.Vuckovic at elfak.ni.ac.rs> wrote:
>Ne komuniciraju. Izgleda je u pitanju header 
>koji mail server zalepi na poruku, a koji google tumaci .
>Bojim se da ne kontam problem do kraja. Sada je 
>iskrslo jos nesto , a to je ovaj DKIM :
>
>Authentication & Identification
>
>To ensure that Gmail can identify you:
>·         Use a consistent IP address to send bulk mail.
>·         Keep valid reverse DNS records for 
>the IP address(es) from which you send mail, pointing to your domain.
>·         Use the same address in the 'From:' 
>header on every bulk mail you send.
>
>We also recommend publishing an 
><http://www.google.com/support/a/bin/answer.py?answer=33786>SPF 
>record and signing with 
><http://www.dkim.org/>DKIM. We do not 
>authenticate DKIM using less than a 1024-bit key.
>By authenticating, inline images you send will 
>be shown automatically. Recipients will not need 
>to click the 
>"<http://support.google.com/mail/bin/answer.py?hl=en&answer=145919>Display 
>images below" link.
>
><https://support.google.com/mail/answer/180707>Learn 
>more about email authentication.
>
>
>SPF postoji , ali nije “signed” sa DKIM . 
>Tek ulazim u problematiku. Mada mislim da bi 
>bilo moguce resiti problem kreiranjem reverzne 
>zone kod Ratka u JUNIS-u i kreiranjem PTR recorda.
>
>
>Dušan Vučković M.Sc. MCP_ID:3342085| Faculty 
>of Electronic Engineering |Head of IT
>' +381 18 529373   È +381 69 1583000    7 +381 
>18 588117  | Aleksandra Medvedeva 14, Niš 18000, Serbia
>
>From: 
><mailto:amres-info-bounces at amres.ac.rs>amres-info-bounces at amres.ac.rs 
>[mailto:amres-info-bounces at amres.ac.rs] On Behalf Of Bojan Vitnik
>Sent: Monday, December 9, 2013 12:38 PM
>To: <mailto:amres-info at amres.ac.rs>amres-info at amres.ac.rs
>Subject: Re: [amres-info] Problem sa Gmail-om
>
>
>Poštovani kolega,
>
>
>
>Ako vam gateway ne podržava IPv6, kako vaši korisnici i/ili mail server
>
>mogu uopšte da komuniciraju sa Google mail serverom preko IPv6?
>
>
>
>Pozdrav.
>
>
>
>Bojan Vitnik
>
>On Mon, 09.12.2013 08:30, "Dusan M. Vuckovic" 
><<mailto:Dusan.Vuckovic at elfak.ni.ac.rs>Dusan.Vuckovic at elfak.ni.ac.rs> wrote:
>Hvala svima na odgovoru.
>SPF record , propisan postoji , ali za IPv4. 
>Trenutno nas gateway ne podrzava IPv6, te @MarkoZivkovic , sta dalje J .
>Ratko , mozemo li u tvom DNS-u da postavimo 
>rekorde za nasu reverznu zonu ?  Da li to resave 
>problem , ili nece  moci da nadje server, pa ni to ne resave problem  ?
>Za ispadanje “glup u drustvu “ , bez brige. 
>I ja sam rizikovao. Ni meni teorija sa 
>klijentima ne pije vodu, ali izgleda da to 
>resave problem . Na Exchange-u sam aplicirao 
>fiks i to nista nije resilo. Tek kad su klijenti 
>to uradili isto kod sebe, proradilo je. Ajd, sad 
>. Ko ima objasnjenje nek izvoli.
>Ono sto je interesanto je da je problem samo sa 
>@gmail.com domenom .  Domeni koji su na 
>GoogleApsps-u , bez problema prihvataju postu. 
>Izgleda je i to kod njih u nekoj 
>eksperimentalnoj fazi , pa je roll out bio delimican .
>
>Dušan Vučković M.Sc. MCP_ID:3342085| Faculty 
>of Electronic Engineering |Head of IT
>' +381 18 529373   È +381 69 1583000    7 +381 
>18 588117  | Aleksandra Medvedeva 14, Niš 18000, Serbia
>
>From: 
><mailto:amres-info-bounces at amres.ac.rs>amres-info-bounces at amres.ac.rs 
>[mailto:amres-info-bounces at amres.ac.rs] On Behalf Of Bojan Vitnik
>Sent: Monday, December 9, 2013 12:11 AM
>To: <mailto:amres-info at amres.ac.rs>amres-info at amres.ac.rs
>Subject: Re: [amres-info] Problem sa Gmail-om
>
>Poštovani kolega,
>
>Koliko ja vidim problem je š¡to ne postoji 
>reverzna IPv6 DNS zona a verovatno ni AAAA zapis
>za mail server. Zašto jednostavno ne napravite 
>reverznu IPv6 DNS zonu za vaš opseg IPv6
>adresa i dodate još AAAA zapis u direktnu zonu 
>za vaš mail servver i posao je rešen.
>Postojanje SPF se podrazumeva.
>
>S druge strane, ne vidim kako IPv6 kod klijenata 
>može da pravi problem ako je na mail
>serveru potpuno ugašen IPv6. Klijenti ne šalju 
>direktno mail-ove Google mail serveru
>nego preko vašeg mail servera osim ako su vaši 
>korisnici namestili da im mail klijent
>koristi Google mail nalog. S druge strane, i ovo 
>je rešivo pomoću DNS-a, doduše malo
>teže.
>
> > Pozdrav.
>
>Bojan Vitnik, B.Sc.E.E.
>Mrežni i sistem administrator Fakulteta za fizičku hemiju
>
>On Sun, 08.12.2013 23:13, "Dusan M. Vuckovic" 
><<mailto:Dusan.Vuckovic at elfak.ni.ac.rs>Dusan.Vuckovic at elfak.ni.ac.rs> wrote:
>Pozdrav svima .
>Javio nam se veci broj korisnika prijavljujuci 
>problem sa slanjem poste na Gmail . Naime , 
>posta se vraca i javlja se greska nalik ovoj :
>
>mx.google.com gave this error:
>[2002:a063:98f::a063:98f 16] Our system has 
>detected that this message does not meet IPv6 
>sending guidelines regarding PTR records and 
>authentication. Please review 
><https://support.google.com/mail/?p=ipv6_authentication_error>https://support.google.com/mail/?p=ipv6_authentication_error 
>for more information. y12si2880601wiv.74 - gsmtp
>
>Problem je u tome sto je Google pokrenuo prijem 
>poste preko IPv6 protokola i dao mu je prvenstvo 
>u odnosu na IPv4 . Detaljan opis problema mozete naci ovde:
>
><http://tanguy.ortolo.eu/blog/article109/google-ipv6-smtp-restrictions>http://tanguy.ortolo.eu/blog/article109/google-ipv6-smtp-restrictions
>
>Resenje problema zahteva i intervenciju na 
>strani klijenta izgleda . Mora da se 
>iskljuci  IPv6 na klijentu, a ne samo na mail 
>serveru , a to se moze jednostavno uraditi 
>pokretanjem 
><http://go.microsoft.com/?linkid=9728869>OVOG 
>Fix-a koji je Microsoft dao na 
><http://support.microsoft.com/kb/929852>OVOJ 
>stranici . Tu cete naci i uputstvo kako rucno da 
>uradite isti posao , koji je fixom automatizovan .
>
>Pitanje glasi, kako cemo da resimo ovaj problem 
>,a ne da koristimo workaround ?
>
>Hvala
>
>
>Dušan Vučković M.Sc. MCP_ID:3342085| Faculty 
>of Electronic Engineering |Head of IT
>' +381 18 529373   M +381 69 1583000    7 +381 
>18 588117  | Aleksandra Medvedeva 14, Niš 18000, Serbia
>
>_______________________________________________
>amres-info mailing list
><mailto:amres-info at amres.ac.rs>amres-info at amres.ac.rs
>http://afrodita.rcub.bg.ac.rs/mailman/listinfo/amres-info
>
>_______________________________________________
>amres-info mailing list
><mailto:amres-info at amres.ac.rs>amres-info at amres.ac.rs
>http://afrodita.rcub.bg.ac.rs/mailman/listinfo/amres-info
>
>_______________________________________________
>amres-info mailing list
><mailto:amres-info at amres.ac.rs>amres-info at amres.ac.rs
>http://afrodita.rcub.bg.ac.rs/mailman/listinfo/amres-info
>
>_______________________________________________
>amres-info mailing list
>amres-info at amres.ac.rs
>http://afrodita.rcub.bg.ac.rs/mailman/listinfo/amres-info
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://afrodita.rcub.bg.ac.rs/pipermail/amres-info/attachments/20131209/3909d7f2/attachment.html

More information about the amres-info mailing list