when i sending a mail,sometimes will receive a PostMaster message which said “recipient address rejected :users unknown in local recipient table”, is any way to know a address is available before mail sending?
thanks
when i sending a mail,sometimes will receive a PostMaster message which said “recipient address rejected :users unknown in local recipient table”, is any way to know a address is available before mail sending?
Hi Pyntia,
oh, i got it. thanks
Hi Pyntia,