Some problems with your mailserver?
I did not get the default notification mail for transactions io48cc085fc067fb4999d13a23d66460efec8cf5219b8f0c0ec6e4cd14440454 and io4494913ebbb95aec48ae1acfa7560decec2c0108d89f9db2b6408c388d095c
Transactions with amounts less than 0.01 BTC don't generate emails.