Disaster recovery assistance

[Joost Waversveld]

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> Corporate office was hit by Hurricane Katrina.  Systems were not damaged,
> but lost power and T1 lines and will be down for several weeks. We have
> reloaceted the mail server to a disaster recovery site and have our linus
> mail server(MailScanner, SA, etc) located here. I can receive mail from
> the internet and send and receive from the inside, however I cannot send
> to the internet.
>
> Out mail server is normally a 208.24.x.x address which this disaster site
> cannot host.  I have redirected my mx records to a 32.97.x.x which are the
> available IPs here.  We created a NAT in the firewall that translates the
> 32.x to the 208.x.
>
> When i try to send out, mail sits in the mailq for 2 hours and kicks back.
> Error in mailq says Deferred: connection refused by whatever.host.com
>
> I know this is not MailScanner related, but I feel the receiving box is
> trying a reverse lookup and then rejected because of the Natd address.
>
> Any help would be greatly appreciated.
>
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Are all the network settings correct on the server, like the default 
gateway and
so on. Is the firewall blocking any outgoing traffic?? Is the DNS on 
the server
working correctly? Just some simple things to check.

Good luck,

Joost Waversveld

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
'leave mailscanner' in the body of the email.
Before posting, read the Wiki (http://wiki.mailscanner.info/) and
the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).

Support MailScanner development - buy the book off the website!