sendmail host unknown

[Panayotis Tsiamis]

Basika i address pou les dexete mails apo pantou kai de prokeite gia 
load balancer
address. Malon exeis kapio problima me to dns sou. Gia kane ta parakato 
kai des
an mporeis na stileis apo to server kai apo to local pc sou.

ciao panayotis


$ host -t mx gmail.com
gmail.com mail is handled by 50 gsmtp163.google.com.
gmail.com mail is handled by 50 gsmtp183.google.com.
gmail.com mail is handled by 5 gmail-smtp-in.l.google.com.
gmail.com mail is handled by 10 alt1.gmail-smtp-in.l.google.com.
gmail.com mail is handled by 10 alt2.gmail-smtp-in.l.google.com.
$ host gmail-smtp-in.l.google.com
gmail-smtp-in.l.google.com has address 64.233.185.114
gmail-smtp-in.l.google.com has address 64.233.185.27
$ telnet 64.233.185.27 25
Trying 64.233.185.27...
Connected to 64.233.185.27.
Escape character is '^]'.
220 mx.gmail.com ESMTP 3si1454732wrh
mail from: ptsiamis at internet.gr
503 5.5.1 EHLO/HELO first 3si1454732wrh
helo focker
250 mx.gmail.com at your service
mail from: ptsiamis at internet.gr
555 5.5.4 Syntax error 3si1454732wrh
mail from: <ptsiamis at internet.gr>
r250 2.1.0 OK
cpt to: <koukouroukou at gmail.com>
250 2.1.5 OK
data
354 Go ahead
omg
.
250 2.0.0 OK 1140599465 3si1454732wrh
quit
221 2.0.0 mx.gmail.com closing connection 3si1454732wrh
Connection closed by foreign host.


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