Hi BOb

at 09.06.2011 19:24, bob wrote:
> Hi,
> 
> I am running LEAF_Bering uclibc3.0 and have a problem with dyndns.
> It seems that very,very occasionally, after Telekom changes the ip
> address, ezipupdate is failing.
> It always does this when I am at work, so I am unable to connect back to
> investigate (I call my wife to perform an 'ultimate reset' (unplug WRAP
> box & reconnect because I need to stay vpn connected for e-mails) which
> then destroys all the evidence.
> I decided to write a script to be executed when the ip changes, that
> would compare the value in /etc/ez-ipup with that of the external
> interface and send me a mail if they do not agree. The Box is internet
> connected OK, just the dyndns is not updated.

Happens to me too, sometimes the dynamic services change their update
server and I do not allow just any outgoing http connection.

Bot back to the original question...
Have you tried to just launch the `mail`command on your leaf box. On
mine I found that there were a number a syntactical errors, so it would
not run, easy to change though.

- source on line 6 is bogus, just comment it out and insert a `.` where
it is used

- hostname -f is not recognized in my busybox version, remove the -f

therse errors show up, because my POSIXness.conf file is incompletely
configured, YMMV.

This is the output from the mail command issued without parameters

demo-guardian# /usr/sbin/mail
Usage: mail options to[,...]
Options: [-s subject] [-c cc[,...]] [-b bcc[,...]]
         [-a attachment[,...]] [-d domain] [-h smptserver]

Mail settings are in /etc/POSIXness.conf
-a attach text file(s)
-d specify from FQDN, overriding local domain
-h specify SMTP server, overriding the MAIL_SERVER setting
-v verbose

cheers

Erich

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