Am 06.02.2013 21:26, schrieb Daniel L. Miller: > I've been using recipient verification for some time with good results but I > think I need to make an adjustment to > accommodate the changing email world. It appears a number of servers have > adopted minimal greylisting - such that > they immediately reject initial contacts but have a minimal timeout (just a > few seconds) before accepting.
i belive you mean SENDER verification, the other way makes no sense :-) and some will block you because sender verification if some bad guy try to deilver mass mails with intentet wrong senders of the same domain nresulting in you assume to try spamming from the view of the forged domain i would not do that these days because such mechanisms can be exploitet and greylisting is very often used for good reasons
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