# Reverse lookup failures exim -bh V4NET.11.12.13 mail from: rcpt to: quit **** exim -bh V4NET.0.0.1 mail from: rcpt to: quit **** sudo exim -odi -oMa V4NET.11.12.13 -bs mail from: rcpt to: data This is a test message . quit **** exim -d -bh V4NET.99.99.90 mail from: rcpt to: rcpt to: quit **** sudo exim -odi -oMa 99.99.99.99 -bs mail from: rcpt to: data This is a test message . quit **** sudo exim -odi -oMa V4NET.99.99.96 -bs mail from: rcpt to: data This is a test message . quit ****