> I've made some changes to DNS and servername, and now I'm 
> experiencing some problems:
> 
> I can connect and read mail from the email accounts on 
> mail2.edu.haifa.ac.il, but I can not send any mail.
> 
> I've renamed hostname from ns to mail2, made 
> ns              IN CNAME        mail2.edu.haifa.ac.il.
> in DNS hoping that old addresses (like 
> [EMAIL PROTECTED]) will work.


Don't change local domains while in production use!
If you use ns.XXX as a maildomain you have to set a MX
for it
 

> When trying to send e-mail to any host from that server I get 
> in /var/log/mail:
> --------------------------------------------------------------
> -----------------------------------------------------
> Jul 25 12:09:58 ns postfix/smtpd[8380]: NOQUEUE: reject: RCPT 
> from leon.edu.haifa.ac.il[212.74.41.34]: 554 
> <[EMAIL PROTECTED]>: Relay access denied; 
> from=<[EMAIL PROTECTED]> to=<[EMAIL PROTECTED]> 
> proto=SMTP helo=<mainhutz>
> Jul 25 12:09:58 ns last message repeated 2 times
> Jul 25 12:09:58 ns postfix/smtpd[8380]: disconnect from 
> leon.edu.haifa.ac.il[212.74.41.34]


from [EMAIL PROTECTED] to [EMAIL PROTECTED] .. both domains don't belong
to your server? You have to use smtp-auth to send mails,
or tweak some smtpd restrictions.


> When sending to old accounts (like 
> [EMAIL PROTECTED]) any mail I get this message:
> --------------------------------------------------------------
> --------------------------------------------------------------
> This is the Postfix program at host mail2.edu.haifa.ac.il.
> I'm sorry to have to inform you that your message could not 
> be be delivered to one or more recipients. It's attached below.
> For further assistance, please send mail to <postmaster>
> If you do so, please include this problem report. You can 
> delete your own text from the attached returned message.
> The Postfix program
> <[EMAIL PROTECTED]> (expanded from 
> <[EMAIL PROTECTED]>): mail
> for mail2.edu.haifa.ac.il loops back to myself


In your DB, mail2.XXX is not a local domain. You should add
mail2.XXX to web-cyradm.


Michael
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