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Re: Getting rid of rcpt-to check for local mail
> How could I take away RCPT-TO: checking from ZMailer 2.99.50-s11 when
> receiving or relaying mail from local intranet (_our_network) mail servers
> ? smtp-policy.src has been setup as
Add "trustrecipients +" to your "_our_network" macro definition.
> #| -- 3rd alternate: MX relay trust, DNS existence verify
> #| For the people who are in deep s*... That is, those who for some
> #| reason have given open permissions for people to use their server
> #| as MX backup for their clients, but don't know all domains valid
> #| to go thru... Substitutes accurate data to user's whimsical DNS
> #| maintenance activities. Vulnerable to unauthorized inbound MX
> #| service abuse.
> . relaycustomer - acceptifmx - senderokwithdns +
> [0.0.0.0]/0 relaycustomer - acceptifmx - senderokwithdns +
> 22.214.171.124/24 = _our_network
> So we'd like ZMailer to receive all the mail without MX/DNS checks
> for RCPT-TO: addresses. Sure it'll return error message, if the address
> was no ok.
> The reason is poor SMTP gateway of our office mail system. It does not
> understand those 553 errors coming from ZMailer when sending mail to
> several recipients at the same time and one of those addresses was
> mistyped. That SMTP gw just drops the connection when 553 comes from
> ZMailer. Then it retries the same procedure for fixed 5 days after
> returning the mail to the recipient. We've reported about the problem to
> the author of that gw, but we should get this working fast.
> For incoming internet mail we'd sure want to check MAIL FROM: as well as
> RCPT-TO: for spammers. And MAIL FROM: checks for relayed mail from the
> intranet is ok as well. We'd just like to stop ZMailer to check RCPT-TO:
> for relayed, outgoing mail.
> Tested the same against sendmail-8.9.3. It takes all the mail in without
> checking RCPT-TO: consistency and returned mail with faulty addresses to
> the sender after a try.
> Jussi Torhonen # E-mail: email@example.com
> Tietosavo Oyj # Corporate website: http://www.tietosavo.fi
> P.O.Box 1582 # Personal homepage: http://www.iki.fi/jt
> FIN-70461 KUOPIO # Tel: +358-17-193231 GSM +358-50-5946209
> FINLAND # Fax: +358-17-193355 73's de OH7DC