You *can* restart the spooler service without restarting CF. This is
unsupported but works in CF7 and 8, and possibly 6.
<cfset sFactory = CreateObject("java","coldfusion.server.ServiceFactory")>
<cfset MailSpoolService = sFactory.mailSpoolService>
<cfset MailSpoolService.stop()>
<cfset MailSpoolService.start()>
-Ryan
Beru wrote:
> Hi,
>
> I had from time to time some difficulties with interaction between CF mail
> and our mail relay: our mail relay uses a round-robin load balancing method;
> so behind a unique host name, we have 5-6 mail servers. Problems occurred
> when one of the mail servers was stopped; it seemed as if java kept the name
> resolution in cache and did not release it. So I thought I solved the
> problem by changing the name loookup cache policy as per some tech note I
> found, so now the cache is expired after 10 sec (in
> C:\JRun4\jre\lib\security\java.security):
>
> #
> # The Java-level namelookup cache policy for successful lookups:
> #
> # any negative value: caching forever
> # any positive value: the number of seconds to cache an address for
> # zero: do not cache
> #
> # default value is forever (FOREVER). For security reasons, this
> # caching is made forever when a security manager is set.
> #
> # NOTE: setting this to anything other than the default value can have
> # serious security implications. Do not set it unless
> # you are sure you are not exposed to DNS spoofing attack.
> #
> # Enable DNS resolution updates
> #networkaddress.cache.ttl=-1
> networkaddress.cache.ttl=10
>
> # The Java-level namelookup cache policy for failed lookups:
> #
> # any negative value: cache forever
> # any positive value: the number of seconds to cache negative lookup results
> # zero: do not cache
> #
> # In some Microsoft Windows networking environments that employ
> # the WINS name service in addition to DNS, name service lookups
> # that fail may take a noticeably long time to return (approx. 5 seconds).
> # For this reason the default caching policy is to maintain these
> # results for 10 seconds.
> #
> #
> networkaddress.cache.negative.ttl=10
>
> Now, not being a java geek (and not willing to), I don't have a clue if this
> setting is applied as it should be, or if there is a way to check the sta
>
>
>
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