@michele, white listing without putting enough measures will land you into the blacklists again and again ...and some of them for good. Follow Alex's advice above. On number 4, you can block port 25 access(the spambots use this to send spam) on all the LAN clients except for the mail server. When you are sure no more spam is being sent, then you can go ahead and white list. On 2/1/12, Alex Nderitu <nderitualex@gmail.com> wrote:
Michelle, This is the way it works, when you send an email, the receiving server check on know blacklist databases eg spamhaus, spamcom etc the reputation of the sending server (your mdaemon for this case). The converse means you should also check this databases if you want to at least not receive mail from servers with bad reputation. It means therefore if you are blacklisted you will receive any email sent to you because it you responsibility to check and not the senders. Not sure what you meant by whitelisting on you email therefore (did you mean greylisting).
Also its not the responsibility of the ISP to ensure you server does not sent out spam, if they were to accept spam from you and relay on your behalf then their servers would be the ones blacklisted. You can take the following measure to ensure you are not blacklisted, this is list is not exhaustive.
1. Clean your network. 2. Ensure your server is not on open relay. 3. Implement smtp authentication 4. You can change the smtp port to other ports eg 587 (smtp email submission)
On 02/01/2012 09:24 AM, Michelle Shivu wrote:
so can the whitelisting thing work because i was thinking of implementing it. Imagine i have a problem where i am working for a client and their mails (they are using MDAemon) cannot be sent .but they can receive mails from wherever! the settings from the mail server are perfect , i mean i have followed the right track all through. the isp is access kenya but when we contact them they are of no help to me. I am very much lost , am thinking of implementing the whitelisting procedure and see i it works. advice me on that
On 1 February 2012 09:17, Alex Nderitu <nderitualex@gmail.com <mailto:nderitualex@gmail.com>> wrote:
James, If you have more than one IP then changing is you only option here, otherwise your only hope is google support. Whitelisting on other blacklist databases may not be of help as google probably does not check them.
On 02/01/2012 07:34 AM, James Mutuku wrote:
Hi,
I have all that. but gmail is the only headache remaining.
I get the error below: -
"I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<xxxxxku@gmail.com <mailto:xxxxxku@gmail.com>>: host gmail-smtp-in.l.google.com <http://gmail-smtp-in.l.google.com>[209.85.229.26] said: 550-5.7.1 [xxx.xxx.xxx.xxx 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. y19si16958642weq.139 (in reply to end of DATA command)"
1. I have filled the form referred but no change 2. No spam has originated from the lan in the last 3 weeks
On 1/31/12, Joseph Murigi<jsphmurigi@gmail.com <mailto:jsphmurigi@gmail.com>> wrote:
@James Mutuku... Good start with cleaning your LAN but you need to ensure that spamming from your network does not recur again by installing a spam filter on your gateway. Once you have protected your LAN you will have to manually unlist your IP/domain from the online DNS blacklist lookup tools available (e.g. http://multirbl.valli.org), which will take a few days depending on the blacklist mail servers. - Joseph M.
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1. Re: Just a thought (Raymond Rono) 2. 5000 VA (5KVA) UPS Required (Jangita Nyagudi) 3. Interesting Article on Cloud Storage - The Great Disk Drive in the Sky: How Web giants store big?and we mean big?data (Philip Musyoki) 4. Whitelisting an IP on gmail (James Mutuku) 5. Re: Game Console Advisory (ndungu stephen) 6. Re: Game Console Advisory (ndungu stephen)
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Message: 1 Date: Mon, 30 Jan 2012 14:40:15 +0300 From: Raymond Rono<raymond.rono@gmail.com <mailto:raymond.rono@gmail.com>> To: Skunkworks Mailing List<skunkworks@lists.my.co.ke <mailto:skunkworks@lists.my.co.ke>> Subject: Re: [Skunkworks] Just a thought Message-ID:
<CAPAM+wjrNH_dPXz3oW-TcYE4xxHxAmQw30ZdJY5xtVEQaGVFBw@mail.gmail.com
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@Karunyu, You must be a Systems Designer/Analyst. @ Njoroge, You must be a Systems Developer/Programmer. I like both arguments coz what we are all saying is that a technological solution is required - the end justifies the means - and that for it to be feasible, some analysis/design is required - means to an end.
On Mon, Jan 30, 2012 at 1:03 PM, Peter Karunyu<pkarunyu@gmail.com <mailto:pkarunyu@gmail.com>> wrote:
I am not against such a system, its just that I think we should put more thought into designing the solution.
On Mon, Jan 30, 2012 at 11:58 AM, kris njoroge<krsnjo@gmail.com <mailto:krsnjo@gmail.com>> wrote:
@Peter the important thing here is not that the data will sit in one database, for example once the system is in place the statistic's bureau could be better placed to give timely and accurate data that could be
used
for development purposes or business. Think about it we are all
elements in
a system and are all inter-related in some sense. They say Nairobi has 4 million inhabitants, where do they all live, are there services where
they
do what is there household incomes for example. How easy would it be to
get
that information? How many people are trained as electrical engineers
and
what level of study do they have college, university?.
The fear of your data being stolen should not be an issue.
The fear of data being stolen is a VERY real issue for some reason, probably why there are several legislation's which provide guidelines on it. The more the data becomes personal, the more it needs to be secured
and
restricted.
How many banks have you heard have been hacked into? Most of the theft
is
done with help from the inside, same way right now if you know somebody
you
could mine information on someones bank accounts etc.
I read somewhere on the net that banks tend to NOT report any frauds or hacking to the public domain for fear of client backlash.
Any human designed system can be hacked, its all a matter of time and effort. Ideally, security experts just try to make it really time and effort consuming when they secure systems, thus make the hackers focus on easier targets.
As an important service by the government i believe the right people would be hired if they have not already been.
I wish not to make this a political discussion, but our type of
government
is led by politicians, who tend to make political decisions when
appointing
people to positions. This significantly reduces my trust in the fact that politicians will appoint the right people to the right positions.
Unless am not looking at it right all proposed data entry points have access to electricity and a mobile network. The Local hospital, the chief's, also they could have rechargeable devices that could be used in the field if the need arises.
Again, this is a error programmers make, i.e assuming all users run the latest version of Firefox, read instructions on screen before entering
data
etc...
What are the data entry points?
In my opinion, these would be all government offices and facilities, including remote chief's camp's. I come from the slopes of mount Kenya, a relatively well to do region, and in some of the interiors, chief's
offices
are just mabati sheds without even a typewriter, leave alone a computer. How bad is it in NEP?
Suppose one is in an area where they have to climb a tree to access
mobile
network signal?
However, we are asking the right questions. Given these operating conditions, we should then put in a core requirement, that the solution should be useable on mobile phones with or without internet.
*
If the human brain were so simple that we could understand it, we would
be so simple that we couldn't. - Emerson M. Pugh
*
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-- Regards, Peter Karunyu -------------------
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-- Raymond Rono, raymond.rono@gmail.com <mailto:raymond.rono@gmail.com>.
'One who understands much displays a greater simplicity of character than one who understands little.'