2 messages in net.sourceforge.lists.courier-users[courier-users] Backup Courier server
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Сергей Сергеевич БайдаковSep 26, 2006 6:23 am 
Sam VarshavchikSep 26, 2006 3:18 pm 
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Subject:[courier-users] Backup Courier serverActions...
From:Сергей Сергеевич Байдаков (bayd@mail.ru)
Date:Sep 26, 2006 6:23:57 am
List:net.sourceforge.lists.courier-users

Hello! I want to organize courier server as a backup MX. 1. I use courier 0.52 2. My config files esmtpacceptmailfor: localhost solnce.ru msk.solnce.ru

locals: mx3.solnce.ru mx2.msk.solnce.ru

esmtproutes msk.solnce.ru: [195.94.246.34]

3. dig @83.234.109.10 msk.solnce.ru. -t mx ;; ANSWER SECTION: msk.solnce.ru. 345600 IN MX 10 mail.msk.solnce.ru. msk.solnce.ru. 345600 IN MX 20 mx2.msk.solnce.ru. ..... ;; ADDITIONAL SECTION: mail.msk.solnce.ru. 345600 IN A 195.94.246.34 mx2.msk.solnce.ru. 345600 IN A 83.234.109.248

Host mail.msk.solnce.ru. in current time unavailable.

Now, when i send mail to resh@msk.solnce.ru in my backup courier server in
/var/log/maillog i see following: Sep 27 00:02:43 websolnce courieresmtpd: started,ip=[194.67.57.14] Sep 27 00:02:43 websolnce courieresmtpd:
error,relay=194.67.57.14,from=<bayd@mail.ru>,to=<resh@msk.solnce.ru>:
456 Address temporary unavailable. Sep 27 00:02:43 websolnce courieresmtpd: error,relay=194.67.57.14,msg="502 ESMTP
command error",cmd: DATA

What is it? And how resolve this problem?

Thanks.