<elecraft at mailman.qth.net>: host mx.spamexperts.com[38.89.254.156] said: 550 162.253.133.85 is not allowed to send mail from mindspring.com. Please see the SPF record, with scope mfrom, identity ned.mountain at mindspring.com, and ip 162.253.133.85 (in reply to end of DATA command)