Refer to http://xeams.com/TroubleShootingOutbound.htm Step 1: OK Step 2: OK S <-- 250 2.6.0 Queued mail for delivery Step 3: SMTPOutboundConversation.log: 0 bytes OutboundAuditTrailFailure.log: 0 bytes SmtpQueue.log: Continuously flushing and reporting 0 file count in queue: - ---------- Flusing SMTP queue ----------- - Total file count in queue is 0 - Outbound queue iteration completed in 0 ms. Step 4: OutboundAuditTrailSuccess.log: 0 bytes