said: 451-Your mail was considered suspicious for the following reason(s): 451-Message has 0.1 SpamAssassin points 451-The mail has been greylisted for 5 minutes, after which it should be 451-accepted. We apologise for the inconvenience. Your mail system should keep 451-the mail on its queue and retry. When that happens, your system will be 451-added to the list genuine mail systems, and mail from it should not be 451-greylisted any more. In the event of problems, please contact 451 postmaster@infradead.org. (in reply to end of DATA command))