Pagi Pak Syafril,
User kami mengalami error undelivered mail saat reply all salah satu email ke domain tiarautamalaundry.com , jika dilihat dari errornya sepertinya address tidak dikenali, mohon dibantu cek ada masalah dimana supaya kami lebih yakin memang address tersebut tidak terdaftar. Berikut error message nya : The following message to <marketi...@tiarautamalaundry.com> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 550-'Callback setup failed while verifying <tsyan...@sandrafine.co.id>\n(result of an earlier callout reused).\nThe initial connection, or a HELO or MAIL FROM:<> command was\nrejected. Refusing MAIL FROM:<> does not help fight spam, disregards\nRFC requirements, and stops you from receiving standard bounce\nmessages. This host does not accept mail from domains whose servers\nrefuse bounces.\nSender verify failed' -----Original Message----- From: Mail Delivery System [mailto:mailer-dae...@smtp.telkom.net] Sent: Tuesday, July 18, 2017 3:56 PM To: tsyan...@sandrafine.co.id Subject: Delivery Status Notification (Failure) The following message to <marketi...@tiarautamalaundry.com> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 550-'Callback setup failed while verifying <tsyan...@sandrafine.co.id>\n(result of an earlier callout reused).\nThe initial connection, or a HELO or MAIL FROM:<> command was\nrejected. Refusing MAIL FROM:<> does not help fight spam, disregards\nRFC requirements, and stops you from receiving standard bounce\nmessages. This host does not accept mail from domains whose servers\nrefuse bounces.\nSender verify failed' B/Regard's iyan ITD PT. Sandrafine Garment Jl. Raya Ps. Kemis KM 1 Jatiuwung, Keroncong - Tangerang Ph : +6221 5900733 Fax : +6221 5900728 -- --MDaemon-L---------------------------------------------------------- Milis ini untuk Diskusi antar pengguna MDaemon Mail Server. Netiket: https://wiki.openstack.org/wiki/MailingListEtiquette Arsip: http://mdaemon-l.dutaint.com Dokumentasi : http://mdaemon.dutaint.co.id Henti Langgan: Kirim mail ke mdaemon-l-unsubscr...@dutaint.com Versi terakhir MD 17.0.1, SP 5.1.0, OC 4.5.0, SG 4.5.1