The following site should be able to help you on the open relay issue.
http://www.mail-abuse.org/tsi/ar-fix.html
On Wed, 2003-07-09 at 10:20, JasonTay wrote:
hi,
i had experience the following:the following is some feedback from our vendor:
We had try the following:on using a relay/spam
Hi Jason,
I guess you meant that your mail server is being used as a mail relaying /
spamming which is very bad. Using the spam list or blackhole list will only
prevent your server from receiving e-mails from the list only but not
spammers that actively looking for open mail relay servers.
If
When an SMTP server receives an email message that is not
for one of its local domains, the default behaviour is to
look up the mail exchanger address for the destination domain
and forward the message there. Most SMTP servers belong to
some organization, and use this function to handle
-Original Message-
From: JasonTay [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 9, 2003 02:20 AM
To: [EMAIL PROTECTED]
Subject: Mail relay
hi,
i had experience the following:the following is some feedback from our vendor:
We had try the following:on using a relay/spam tool
in theory : make sure an external IP is not allow to send emails from a
third party domain to another third party domain using your mailserver
practically : this depends on the type of mailserver you are using...
- Original Message -
From: JasonTay [EMAIL PROTECTED]
To: [EMAIL
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Heya,
First line of attack is to disable the smtp daemon until this is
concluded (that is, if you haven't already).
I am a big fan of qmail / ucspi-tcp solution.
qmail is one of the most secure and stable MTAs available, and with
ucspi-tcp, you
What platform and mail service are you running? Have you considered on
hiring a qualified admin to secure your server and ensure you aren't running
an open relay? What tool was used to test this that claims you are running
an open relay?
--
Regards,
Tim Greer [EMAIL PROTECTED]
Server
