17 May
2014
17 May
'14
12:18 a.m.
Am 16.05.2014 21:03, schrieb Oscar del Rio:
On 05/13/14 03:02 PM, Stephan Bosch wrote:
Use of NULL envelope sender is generally recommended to prevent mail loops
Unfortunately, many servers out there reject emails with NULL sender. Some recent examples (real server names edited)
*that* are not compliant mailservers - period
they also break sender verification and what not else