Thanks Bill for making this clearer. It should be noted that the
latest qmail-toaster package from the devel site includes the port 587
service and is set to require smtp auth to send.
Thanks,
Erik
On 11/27/06, Bill Kwok <[EMAIL PROTECTED]> wrote:
Please correct me if I am wrong. What Erik means is that, by default, all
SMTP communication will go through port 25. It includes server to server
and client to server communication. If you setup rblsmtpd (or similar
program) to check the incoming email again spam, all emails going through
port 25 will be checked. It includes the emails submitted by you and your
users.
In order to avoid such problem, you may divide the emails into two portion:
Email from other servers - It will use port 25 and rblsmtpd will scan the
incoming mail as usual.
Email from local users - Local users will need to change their mail client
setting, so that it will submit email to the server by using port 587 (the
submission port). There's no rblsmtpd checking on port 587. But instead,
users must authenticate himself / herself before they can submit email.
Best regards,
Bill
On 11/27/06, Jon M. Ernster <[EMAIL PROTECTED]> wrote:
> Can you elaborate on what you mean by it putting up submission port 587
> without blacklists?
>
> I don't mind not using the RBL on my server, I was just not understanding
> why I was running into the problem. I guess the RBL is seeing a
connection
> being made from my laptop from a cable connection and blocking it before
it
> sends out.
>
> -----Original Message-----
> From: Erik Espinoza [mailto: [EMAIL PROTECTED]
> Sent: Sunday, November 26, 2006 11:11 PM
> To: [email protected]
> Subject: Re: [qmailtoaster] NJABL DNSBL
>
> > Why is qmail checking the NJABL when I'm SENDING email? Shouldn't it
only
> > be doing this for incoming connections?
>
> The blacklists block smtp connections before enough info is sent for
> Qmail to tell if the mail was incoming or outgoing.
>
> Best bet is to upgrade to the qmail-toaster package on my site,
> http://devel.qmailtoaster.com/ as it will put up Submission port 587
> without blacklists.
>
> Thanks,
> Erik
>
>
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