[Info-vax] Changing SMTP server presented hostname in UCX

[Stephen Hoffman]

On 2014-09-08 12:38:51 +0000, Simon Clubley said:

> [A nice simple good old fashioned VMS technical question which doesn't
> involve microkernels, modular filesystems, or enhanced shells. :-)]
> 
> TCP/IP services V5.6, ECO 5, Alpha V8.3
> 
> Problem: the hostname presented by SMTP needs to change from it's
> original FQDN (registered in the Alpha's local hosts database)...
> 
> Question: Does anyone see a problem with changing TCPIP$INET_HOST in this way ?
> 
> I'm reluctant to start doing major TCPIP configuration changes....
> 
> The worry is that something breaks due to the historial source of the...

Sure; layer a few more hacks and maybe an undocumented change or two 
onto that configuration, you'll probably be just fine.   What's the 
worst that can happen here, after all?   At worst, you'll have to 
re-run that dreaded host reconfiguration process and re-set the 
context, and that'll usually clean it all up.

BTW, if you're hacking TCPIP$INET_HOST, you might also want to hack 
UCX$INET_HOST.  Not all software looks at that newfangled logical name 
yet.

I usually prefer to skip that sequence, and reset the host name via 
TCPIP$CONFIG or (for the more general host name change) via 
<http://labs.hoffmanlabs.com/node/589>.

If you do like those config files, then you'll love 
<http://labs.hoffmanlabs.com/node/1844> — this assuming the V5.7 SMTP 
configuration file stuff didn't get deployed in V5.6 or in a patch...

Probably best to ring up HP support and get the official answer, though.



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