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Sendmail on AIX adding header rewrite

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Operating Systems AIX Sendmail on AIX adding header rewrite
# 1  
Old 10-02-2012
[Solved] Sendmail on AIX adding header rewrite
Hi,

I have been having issues with sendmail service on the AIX server recently with header rewrite on few random email generated from the scripts or programs.

I'm not sure what is causing as rest of the emails from the sever is generating correctly?

AIX Server --> GATEWAY SERVER(Serv2smtp)
user@host.com--> user@Serv2smtp.com.au Queues up n goes in loop with error

user@host.com ---> user@host.com Works

Since the gateway cannot authenticate the user it goes in a queue and keeps sending a message as below after every few hours.

Code:
Your message 
    From:    ####@####.net
    Subject: 
 
 Has been delayed for some or all of the intended recipients. 
 
 The recipients that were affected are:
     test@###smtp
 
 Your message was received 09:01:49 Mon, 01 October 2012.
 The mail system will keep trying to deliver your message for another 
 43 hours 44 minutes.
 
 Additional Information
 ======================
 Original Sender:    <######@##.net>
 Sender-MTA:         <###########>
 Reporting-MTA:      <mail.######.com.au>
 MessageName:        <B5068cf5d0000..#######000000000001.0001.mml>

Tested the server using the telnet command and it works
mail -v -s "TEST" user@host.com ----works

Can someone please help me what file to check and where is it doing the rewrite or erroring it out.

Thanks in advance.

Mus

Moderator's Comments:
Mod Comment edit by bakunin: Please view this code tag video for how to use code tags when posting code and data.
Last edited by bakunin; 10-02-2012 at 07:04 AM..
# 2  
Old 10-02-2012
Quote:
Originally Posted by musu1982
Can someone please help me what file to check and where is it doing the rewrite or erroring it out.
It looks like you haven't configured your sendmail at all.

The configuration file is "/etc/sendmail.cf" and you can edit it with any regular text editor. There are ample configuration examples on the net on how to basically configure AIX sendmail. I googled for "aix sendmail basic configuration" and got a ton of hits which probably cover any requirement you have.

If you still have a problem achieving a certain requirement please report back stating exactly what you want to achieve.

I hope this helps.

bakunin
# 3  
Old 10-02-2012
SENDMAIL.CF
Hi Bakunin,

Thanks for the quick reply.
I believe sendmail.cf is configured properly as it works fine most of the time, but at times it rewrites the header with the domain name of the gateway server (user@doman.com.au) --> (user@smtp.com.au) which I am not sure what parameter in the sendmail.cf config does it.
On changing name it can't recognise the user and goes it a queue erroring it out.

# "Smart" relay host (may be null)
DSmailserver.domain.com

Is there a way to test if the server is rewriting any header information and what parameter is causing it?
I just want to direct the mail to the smtp server.

Regards,

Mus
# 4  
Old 10-04-2012
the address rewriting is done with a genericstable for example,


Code:
FEATURE(genericstable, `hash -o /etc/mail/genericstable')

in the mc file

other method is masquerading:

Code:
FEATURE(masquerade_entire_domain)
FEATURE(masquerade_envelope)
MASQUERADE_AS(`external.domain')
MASQUERADE_DOMAIN(`hostname.domain.local')

this can be used to let local users send mails with a valid email address for example


this is not from the .cf file, since the cf file is generated with the /usr/ccs/bin/make command out of the .mc file


in the .cf file you can search for the string genericstable or masquerade

cheers funksen
# 5  
Old 10-17-2012
Sendmail issue
Thanks for all the support I have fixed it.

Cheers

Mus
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