[NCUC-EC] List problems

Grace Githaiga ggithaiga at hotmail.com
Wed Apr 13 13:13:17 CEST 2016


Thank you so much Tapani for taking this up. I actually notice that my response to the list yesterday also bounced. Hope we resolve the matter. If not, then I can be subscribed using my kictanet email address.
RgdsGrace

> Date: Wed, 13 Apr 2016 08:53:32 +0300
> From: ncuc at tapani.tarvainen.info
> To: ncuc-ec at lists.ncuc.org; e-team at lists.ncuc.org
> CC: seekcommunications at hotmail.com; ggithaiga at hotmail.com
> Subject: List problems
> 
> [Note Cc: e-team, followups about technical stuff there please]
> 
> Dear Grace, Zuan, all,
> 
> I took a look at server logs. The issue is indeed related to hotmail,
> which was rejecting messages from NCUC's server as spam.
> 
> Tentative analysis suggests someone in the same network segment
> as our server has been spamming and hotmail has decided to block
> the entire segment. :-(
> 
> Alternatively they may have decided ncuc's mail is spam and blocked
> specifically it, but that seems rather unlikely. It certainly isn't
> on any well-known public blacklist now (just checked).
> 
> There is no obvious way to fix this at our end. We can contact
> Gandi in the hope they can track down the culprit and persuade
> Hotmail to take them off the blacklist.
> 
> For now, please Cc: Grace and Zuan explicitly.
> 
> As a band-aid solution I could set up non-hotmail relay addresses for
> Zuan and Grace somewhere (like on my own server). That's not a very
> sustainable or scalable solution, however - the problem affects all
> ncuc lists, notably including ncuc-discuss, and doing this kind of
> hack for all hotmail users there would not be exactly convenient.
> 
> --
> Tapani
> 
> 
> Apr 12 23:10:48 ncuc1 postfix/smtp[14189]: 7743EFDC: to=<********@hotmail.com>, relay=mx4.hotmail.com[65.54.188.126]:25, delay=0.72, delays=0.09/0.05/0.44/0.14, dsn=5.0.0, status=bounced (host mx4.hotmail.com[65.54.188.126] said: 550 SC-001 (BAY004-MC4F43) Unfortunately, messages from 92.243.29.158 weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command))
> 
> The link given 
> 
> "550 SC-001 Mail rejected by Outlook.com for policy reasons. Reasons
> for rejection may be related to content with spam-like characteristics
> or IP/domain reputation."
> 
> 
> -- 
> Tapani Tarvainen
> 
> 
> On Tue, Apr 12, 2016 at 09:11:34PM +0000, Grace Githaiga wrote:
> 
> > @PeterI have had the same problem. Maryam brought this to my attention day before yesterday. I actually thought that I had been unsubscribed as a result of using my hotmail, as a result not gotten some emails. I realize I am not the only one. Maybe it is the same with Milton. I suspect it is a problem with the system.
> > RgdsGrace
> 
> 
> 
> > From: Peter Green <**********@hotmail.com>
> 
> [...]
>  
> > Due to issues of excessive mailbox bounces (thanks for Maryam's notification), I was unsubscribed from the EC mailing list for a while. That's why I did not receive emails from the EC for the past couple
> >  of weeks, for which I feel so sorry.  Luckily, Rafik sent the email to our individual emails. Thanks for that. 
> > 
> >
> > I  have missed several threads in the EC mailing list, therefore without reponses on my part.  Today I reviewd the archives of the EC
> >  mail list, and surprisingly found that I began losing emails from the EC list on 15th, March, with the thread titled "Marrakech follow-up ", which was two days after I was back to
> >  Beiing from Marrakech.
> > 
> > 
> > Sorry for such a loss of emails.  I have noted that my mailbox has intermittent connectivity with the EC mailingst and have been trying to find out the
> >  problems and then fix it. }}
> > 
 		 	   		  
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