about spams

[Amaury Viera Hernández]

On 10/17/2012 09:03 AM, Gabor Kum wrote:
> 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.
>
yes, i'm using dkim

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