SPR# JFBM7C6GA4 - We had a bug in Router TTL (time to live) timing causing delivery failures due to unable to reach remote server. In the case of a DNS error there was a chance we could set the TTL to 34 years. This could cause delivery failures after 24 hours if the route cached was bad. We now set the DNS error TTL at 30 minutes and allow it to be modified by the INI RouterDNSErrorTTL (it sets the DNS error TTL in seconds).
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