Re: Re[2]: [vps-mail] Dramatic increase of SPAM during last days

[Godwin Stewart <gstewart@xxxxxxxxxxx>]

On Tue, 24 Aug 2004 17:20:56 -0700, Abigail Marshall <abigail@xxxxxxxxxxxx>
wrote:

> Not true - if your DSL is on the blocklist, and you try to
> send mail via your VPS, it will be blocked by sendmail.

I disagree.

I just added a blocklist I know that I'm on (blackholes.five-ten-sg.com -
who isn't on that one? :o) ) to my sendmail configuration and checked my IP
wasn't whitelisted anywhere.

Sending mail to a local account with no authentication was blocked.

Relaying mail using SMTP AUTH worked.

As I said, the use of SMTP AUTH overrides blocklists. This is one of the two
purposes of SMTP AUTH:

  1) Prevent unauthorised use of the MTA
  2) Allow authorised use of it regardless of blocklists etc.

These tests were done on a VPS2.

-- 
G. Stewart   --   gstewart@xxxxxxxxxxx -- gstewart@xxxxxxxxxxx
Registered Linux user #284683 (Slackware 9.0, Linux 2.6.8.1-em8300)
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