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Re: SMTP relay problem
At 12:48 pm +0100 13/4/00, Matti Aarnio wrote:
I agree completely that an address
"firstname.lastname@example.org"@[aa.bb.cc.dd] is a fine but....
> > I think this is a problem...
I don't understand why this is not a problem. The trouble is that
the script at mail-abuse.org checks it and marks a mailer which
accepts it as an open relay. From there, it reaches the MAPS RSS
and mail stops getting delivered to other sites.
On that basis, I could register nic.funet.fi as an open relay and it
will be marked as an open relay because it does not reject their test.
Entertaingly, I have just tried this on the qmail and sendmail
primary MX sites (hmmm). Qmail accepts the address but sendmail does
telnet smtp.sendmail.com 25
Connected to smtp.sendmail.com.
Escape character is '^]'.
220 katroo.Sendmail.COM ESMTP Sendmail 8.9.3/8.9.3; Thu, 13 Apr 2000
05:20:58 -0700 (PDT)
250 katroo.Sendmail.COM Hello IDENT:email@example.com
[22.214.171.124], pleased to meet you
MAIL From: <>
250 <>... Sender ok
RCPT To: <"firstname.lastname@example.org"@[126.96.36.199]>
550 <"email@example.com"@[188.8.131.52]>... Relaying denied
221 katroo.Sendmail.COM closing connection
Now if this is not a problem, how do we get zmailer installations
which are listed as open relays off MAPS RSS?