There is no such thing as a delivery emergency. They just do not happen. Delivery is fluid, delivery is changing, delivery is complex. But when delivery goes bad it is not an emergency. There is no need to call up an ISP person at home on a Saturday afternoon and ask them to remove the filters. (And, BTW, experience indicates if you do this that you may have future delivery issues at that ISP.)...
September 23, 2009
Delivery emergencies
23September