[CentOS] send mail problem on ORACLE/LInux

mcclnx mcc mcclnx at yahoo.com.tw
Thu Jun 26 21:27:37 UTC 2008

UNIX mail on this server work correctly.  I also tried the way you suggest 3 times and it also work correctly.

--- 08/6/26 (星期四),nate <centos at linuxpowered.net> 寫道:

寄件者: nate <centos at linuxpowered.net>
主旨: Re: [CentOS] send mail problem on ORACLE/LInux
收件者: centos at centos.org
日期: 2008 6 26 星期四 下午 4:03

[ re-sending as the original got munged I think one of the
  SMTP servers in-route(maybe mine) saw the period and stopped
  my mail there for some reason.. ]

mcclnx mcc wrote:
> I did NOT see anything wrong on /var/log/maillog.

Can you telnet to localhost 25 and send a mail that way ?

 [aphro at portal:~]$ telnet localhost 25
 Connected to localhost.localdomain.
 Escape character is '^]'.
 220 portal.aphroland.org ESMTP Postfix (Debian/GNU)
 helo portal.aphroland.org
 250 portal.aphroland.org
 mail from: centos at linuxpowered.net
 250 2.1.0 Ok
 rcpt to: centos at linuxpowered.net
 250 2.1.5 Ok
 354 End data with <CR><LF>.<CR><LF>
 Subject: hello there
 testing email
 (put a period here and hit enter)
 250 2.0.0 Ok: queued as B5F52808041
 221 2.0.0 Bye
 Connection closed by foreign host.

And see if the email arrives at the destination. It seems like
the mail server is not working right as Oracle says it's returning a 421
error code(temporary failure).

And if the telnet works, try it a second, and a third time to see
if it's consistent or not.


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