about spams

[Gabor Kum]

2012. október 17. 14:56:29 dátummal Amaury Viera Hernández az alábbiakat írta:
> On 10/17/2012 02:37 AM, Patrick Asselman wrote:
> > On 2012-10-17 01:02, Avi Greenbury wrote:
> >> Amaury Viera Hernández wrote:
> >>> Hello,
> >>> I have a problem sending mails to gmail,
> >>> every time that i send a mail i receive this answer:
> >>> 
> >>> this is the mail system at host mailserver.espnl.co.cu.
> >>> 
> >>> I'm sorry to have to inform you that your message could not
> >>> be delivered to one or more recipients. It's attached below.
> >> 
> >> That message says
> >> 
> >> "Our system has detected an unusual rate of unsolicited mail
> >> originating from your IP address."
> >> 
> >> so it sounds like someone is using your mailserver to send out spam.
> >> Without knowing what you're running (though I guess Zimbra) it's hard
> >> to tell you what to do next.
> >> 
> >> It would be worth checking whether your mailserver is on a blacklist:
> >> 
> >> http://ip-blacklist.e-dns.org/
> >> 
> >> sometimes these give useful information as to what's being sent and
> >> how; if you don't administer the server you should probably just pass
> >> this on to the person who does.
> > 
> > The mailserver is escuela.espnl.co.cu is listed at apews.org :
> > 
> > Testresults
> > 
> > Oooops 200.55.134.58 is currently listed in APEWS :-(
> > 
> > 
> > -------------------------------------------------------------------------
> > -------
> > 
> > Entry matching your Query: E-608441
> > 200.55.134.0/24
> > -------------------------------------------------------------------------
> > -------
> > 
> > CASE: C-1079
> > AS27725 CU, ISP permits abuse and/or ignores criminal activity
> > -------------------------------------------------------------------------
> > -------
> > 
> > History:
> > Entry created 2012-10-16
> > 
> > 
> > I'm not sure if that is the right mailserver though?
> > 
> > Best regards,
> > Patrick Asselman
> 
> Yes, the email server is escuela.espnl.co.cu,
> How I can get out of this black list(http://www.apews.org/)?
> Actually, The users can send emails to many domains, except gmail, my
> trouble is that gmail is saying:
> 
> <avhernandezx at gmail.com>: host gmail-smtp-in.l.google.com[173.194.68.27]
> said: 550-5.7.1 [200.55.134.58       1] Our system has detected an unusual
> rate of 550-5.7.1 unsolicited mail originating from your IP address. To
> protect our 550-5.7.1 users from spam, mail sent from your IP address has
> been blocked. 550-5.7.1 Please visit
>      http://www.google.com/mail/help/bulk_mail.html  to review 550 5.7.1
> our Bulk Email Senders Guidelines. i3si19850658qez.14 (in reply to end of
> DATA command)

Hi!

First check the Guidlines, and be sure, that nobody will send bulk mail again.
I think DKIM will help you.

-- 
Gabor Kum

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