[felado@mail ~]$ telnet server28.citromail.hu 25
Trying 91.83.45.28...
Connected to server28.citromail.hu (91.83.45.28).
Escape character is '^]'.
220 server28 mfiltro ESMTP server ready
helo tuzfal-2.felado.hu
250 server28 hello [1.2.3.4], pleased to meet you
mail from: felado@felado.hu
250 2.1.0 <felado@felado.hu> sender ok
rcpt to:fogado.tesz1@citromail.hu
250 2.1.5 Recipient ok
data
354 enter mail, end with "." on a line by itself
Subject: 1
a
s
b
.
250 2.0.0 A23xxxxxxxxxxxxxxxx mail accepted for delivery
quit
------
[felado@mail ~]$ dig felado.hu mx
...
;; ANSWER SECTION:
felado.hu. 8381 IN MX 10 mail.felado.hu.
[felado@mail ~]$ dig mail.felado.hu mx
;
; nincs
;
[felado@mail ~]$ dig tuzfal-2.felado.hu mx
;
; nincs
;
há' jó ez...