[afnog] mail blacklisted

[raphael mollel]

The configuration you have in your config file does not stop you from get
blacklisted, but they are protecting you from

receiving emails from the domain which are  listed, Your server check
those site when processing incoming emails and if any domain listed there
it will rejected all email from that domain.

So if your server send out a lot of emails without following mail servers
standard  to specific or multiple  emails accounts in a specific servers
(Domains) it will get blacklisted.This can be caused by:-

-Mail server be compromised
-Mail account(s) in your mail server be compromised, through client
software such as outlook or through web-mail
-Computer under your domain be compromised.

*So check your mail queue to see if there is any email account which send a
lot of emails to a specific domain, or go through your mail logs file.*

Note: Before asking to be removed from the list you have to clean your
server or Pcs which are compromised and also change password of compromised
email account .




On Wed, Jun 19, 2013 at 9:31 AM, Antonio Godinho <antonio at uem.mz> wrote:

> It could also be that one of the mail accounts on the server has been
> compromised by many of the phishing messages and they are using it to send
> out spam.
>
> On Tue, 18 Jun 2013 13:41:40 +0200 (CAT), Chris Wilson wrote
> > Hi Kwas,
> >
> > On Tue, 18 Jun 2013, Kwas Lee wrote:
> >
> > > My server has been blacklisted to UCEPROTECTL1,BACKSCATTERER,SORBS-SPAM
> > > and MAILSPIKE-BL, am using atmail7 installed on centos 5.5 , the
> > > spamassasing is working fine.
> >
> > The only way to solve the problem is to find out why you've been
> > blacklisted and fix it. Most likely your mail server is being used
> > to relay spam, regardless of your spamassassin which will never
> > catch 100% of it, or you are allowing outbound SMTP from your
> > network and one of your users in infected.
> >
> > I suggest you closely examine the logs of your mail server to
> > identify spam messages being sent through it. The blacklists should
> > be able to provide the date and time of a spam message that caused
> > you to be blacklisted, which may help you if the spam has stopped.
> >
> > I recommend that you check that users on your network are NOT
> > allowed to send email directly by SMTP out to the internet, only
> > through your mail server, and that this is enforced by your firewall.
> >
> > Cheers, Chris.
> > --
> > Aptivate | http://www.aptivate.org | Phone: +44 1223 967 838
> > Citylife House, Sturton Street, Cambridge, CB1 2QF, UK
> >
> > Aptivate is a not-for-profit company registered in England and Wales
> > with company number 04980791.
> >
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>
>
> --
> Antonio Godinho
> B.Sc., MCP+I, MCSE, CCNA, CCNP
> CIUEM
> Maputo
> Mozambique
>
>
> --
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>
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