Need to clarify on Daniel's script : Understand Daniel has tested it but I got an issue with RCPT TO: I login directly to the Postfix server & test it: # telnet localhost 25 220 smtp.yy.zz ESMTP helo me 250 servernm.yy.zz MAIL FROM: <fromsms1@xxxxx> 250 Ok RCPT TO: <mail@xxxxx> 550 <mail@xxxxx>: Recipient address rejected: User unknown in relay recipient table RCPT TO: <postfix@xxxxx> 550 <postfix@xxxxx>: Recipient address rejected: User unknown in relay recipient table DATA 554 Error: no valid recipients How do I obtain a valid RCPT TO: address? On Tue, Nov 29, 2011 at 12:24 AM, Daniel Carrillo <daniel.carrillo@xxxxxxxxx> wrote: > > { > echo 'helo me' > echo 'MAIL FROM:<you@xxxxxxxxxxxxxx>' > echo 'RCPT TO: <someone@xxxxxxxxxxxxxxx>' > echo 'DATA' > echo -e 'To:someone@xxxxxxxxxxxxxxx\nMIME-Version: 1.0 > (mime-construct 1.9)\nContent-Type: > application/octet-stream\nContent-Transfer-Encoding: base64\n\n' > cat myattachment.bin | openssl base64 > echo '.' > } | nc mail.20minutos.es 25 > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list