How to block ppl from flood mail ? 3

[ckchia]

How do i block ppl from using my SMTP as a Mail Attack ?

 

[peterve]

block them in the configuration document :

Router/SMTP
Restrictions and Controls
SMTP Inbound COntrols

Deny messages from the following internet addresses/domains:

-> fill in their email address... --------------------------------------------------------------------
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[ckchia]

but then those ppl are using Dialup. ?

 

[woonjas]

to disable smtp mail relaying from your box completely set the following in the server's Name and Address Book (NAB), server-configurations/ configuration document for your server:

Router/SMTP
Restrictions and Controls
SMTP Inbound COntrols

Deny messages from the following external internet hosts to be sent to external internet domains: *

this way it won't accept incoming smtp connections for messages addressed to non-local domains.

cheers. Woonjas
IRC: #notes on EFNet

 

[peterve]

are you looking to deny relaying on your machine ? or do you just want to block a couple of people from using your smtp server ?? --------------------------------------------------------------------
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[ckchia]

Peter, I will liketo deny relaying on my SMTp

THank.

 

[peterve]

Edit the configuration document,
go to Router/SMTP
Restrictions and Controls
SMTP Inbound COntrols

Allow messages from external internet domains to be sent only to the following internet domains:
(leave blank)

Deny messages from external internet domains to be sent to the following internet domains: *

Allow messages only from the following external internet hosts to be sent to external internet domains:
(leave blank)

Deny messages from the following external internet hosts to be sent to external internet domains: *


In the Global Domain document, set your internet domain name :
Go to the 'conversion' tab,
Under 'local primary internet domain', fill in your domain name (e.g. mycompany.com)


Next edit notes.ini
add these lines :
SMTP_OCH_REJECT_SMTP_ORIGINATED_MESSAGES=1
SMTPMTA_ALLOW_KNOWN_DOMAINS=1
SMTPMTA_RELAY_FORWARDS=1
SMTPALLHOSTSEXTERNAL=1

You might also want to change the default DOmino SMTP banner to something else :
SMTPGreeting="SMTP Gateway ready at %s"

Warning : do NOT use SMTPMTA_REJECT_RELAYS=1 because it will change the way how the SMTP MTA handles incoming emails

Save notes.ini, reboot the server and it will not relay anymore

good luck

(PS : you can test if your server allows relaying on

http://www.abuse.net/relay.html)

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[ckchia]

thanx man, look like it work fine