# sender_reject (various, including @@) exim -bh 1.2.3.4 helo test mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from:<12345678@p.q.r> rcpt to: rset mail from:<12345678@z.z> rcpt to: rset mail from:<1234@p.q.r> rcpt to: rset mail from:<1234@m.n.o> rcpt to: rcpt to: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset mail from: rcpt to: rset quit