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UNIX for Advanced & Expert Users
Backup problem---Again
Post 19524 by lealyz on Friday 12th of April 2002 03:38:41 AM
04-12-2002
mail server
Hi,
i am using a mail server software called Post.Office intermail v 3.5.3
Post.Office intermail requires that sendmail be disabled to work...so i am not using sendmail. I am using SMTP (25) and POP3 (110).
The problem with my mail server is that i am currently not sending mails....my user accounts cannot send mail but they can receive mails.
I configured my outlook express with an existing account on my server and when i tried sending mail to my hotmail and yahoo accounts ( or anywhere else) i get this message;
An unknown error has occurred. Subject 'Fw:Test Mail', Account: 'demo', Server: 'mydomain.com', Protocol: SMTP, Server Response: '452 Couldn't process control file', Port: 25, Secure(SSL): No, Server Error: 452, Error Number: 0x800CCC6C
Meanwhile, when i checked the queue log of my post.office ssoftware, there was a long queue of outgoing mails and there were two types of error messages for the bulk ofthem;
1. MX lookup failure
2. Couldn't establish SMTP connection on port 25
Now i tested 1. by checking my resolv.conf file, all entries were ok. I was even able to perform an nslookup of serveral domains on the mail server using one of the dns entries in resolv.conf.
I dont understand why i had error 2, though.
For reference, note: i have a microsoft exchange server that relays it's mails thru my post.office mail server. The users on the exchange server have no problems sending or receiving mails.Users on the post.office use @mydomain.com while users on exchange use @mydomain.net.
Rather complex senario.
i am using a mail server software called Post.Office intermail v 3.5.3
Post.Office intermail requires that sendmail be disabled to work...so i am not using sendmail. I am using SMTP (25) and POP3 (110).
The problem with my mail server is that i am currently not sending mails....my user accounts cannot send mail but they can receive mails.
I configured my outlook express with an existing account on my server and when i tried sending mail to my hotmail and yahoo accounts ( or anywhere else) i get this message;
An unknown error has occurred. Subject 'Fw:Test Mail', Account: 'demo', Server: 'mydomain.com', Protocol: SMTP, Server Response: '452 Couldn't process control file', Port: 25, Secure(SSL): No, Server Error: 452, Error Number: 0x800CCC6C
Meanwhile, when i checked the queue log of my post.office ssoftware, there was a long queue of outgoing mails and there were two types of error messages for the bulk ofthem;
1. MX lookup failure
2. Couldn't establish SMTP connection on port 25
Now i tested 1. by checking my resolv.conf file, all entries were ok. I was even able to perform an nslookup of serveral domains on the mail server using one of the dns entries in resolv.conf.
I dont understand why i had error 2, though.
For reference, note: i have a microsoft exchange server that relays it's mails thru my post.office mail server. The users on the exchange server have no problems sending or receiving mails.Users on the post.office use @mydomain.com while users on exchange use @mydomain.net.
Rather complex senario.
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LEARN ABOUT DEBIAN
etrn
System Administration Commands etrn(8) NAME
etrn - start mail queue run SYNOPSIS
etrn [-v] server-host [client-hosts] DESCRIPTION
SMTP's ETRN command allows an SMTP client and server to interact, giving the server an opportunity to start the pro cessing of its queues for messages to go to a given host. This is meant to be used in start-up conditions, as well as for mail nodes that have transient connections to their ser vice providers. The etrn utility initiates an SMTP session with the host server-host and sends one or more ETRN commands as follows: If no client-hosts are specified, etrn looks up every host name for which sendmail(1M) accepts email and, for each name, sends an ETRN command with that name as the argument. If any client-hosts are specified, etrn uses each of these as arguments for successive ETRN commands. OPTIONS
The following option is supported: -v The normal mode of operation for etrn is to do all of its work silently. The -v option makes it verbose, which causes etrn to display its conversations with the remote SMTP server. ENVIRONMENT
No environment variables are used. FILES
/etc/mail/sendmail.cf sendmail configuration file SEE ALSO
sendmail(1M), RFC 1985. CAVEATS
Not all SMTP servers support ETRN. CREDITS
Leveraged from David Muir Sharnoff's expn.pl script. Chris tian von Roques added support for args and fixed a couple of bugs. AVAILABILITY
The latest version of etrn is available in the contrib directory of the sendmail distribution through anonymous ftp at ftp://ftp.sendmail.org/ucb/src/sendmail/. AUTHOR
John T. Beck <john@beck.org>