Pak ada user saya yg gagal kirim ke sender, kalau saya cek dari log tulisannya sender verification failed [email protected]. Padahal address vivi ini valid terdaftar di MD kami. Salah dimana ya ?

Wed 2020-02-26 10:15:32.865: --> EHLO webmail.pttdp.com
Wed 2020-02-26 10:15:32.867: <-- 250-web5-cpn.biz.net.id Hello webmail.pttdp.com [117.102.88.187]
Wed 2020-02-26 10:15:32.867: <-- 250-SIZE 52428800
Wed 2020-02-26 10:15:32.867: <-- 250-8BITMIME
Wed 2020-02-26 10:15:32.867: <-- 250-PIPELINING
Wed 2020-02-26 10:15:32.867: <-- 250-AUTH PLAIN LOGIN
Wed 2020-02-26 10:15:32.867: <-- 250-STARTTLS
Wed 2020-02-26 10:15:32.867: <-- 250 HELP
Wed 2020-02-26 10:15:32.868: --> STARTTLS
Wed 2020-02-26 10:15:32.873: <-- 220 TLS go ahead
Wed 2020-02-26 10:15:32.906: SSL negotiation successful (TLS 1.2, 256 bit key exchange, 256 bit AES encryption) Wed 2020-02-26 10:15:32.908: SSL certificate is valid (matches mail.quantum-inti.co.id and is signed by recognized CA)
Wed 2020-02-26 10:15:32.908: --> EHLO webmail.pttdp.com
Wed 2020-02-26 10:15:32.911: <-- 250-web5-cpn.biz.net.id Hello webmail.pttdp.com [117.102.88.187]
Wed 2020-02-26 10:15:32.911: <-- 250-SIZE 52428800
Wed 2020-02-26 10:15:32.911: <-- 250-8BITMIME
Wed 2020-02-26 10:15:32.911: <-- 250-PIPELINING
Wed 2020-02-26 10:15:32.911: <-- 250-AUTH PLAIN LOGIN
Wed 2020-02-26 10:15:32.911: <-- 250 HELP
Wed 2020-02-26 10:15:32.911: --> MAIL From:<[email protected]> SIZE=48803
Wed 2020-02-26 10:15:32.920: <-- 250 OK
Wed 2020-02-26 10:15:32.920: --> RCPT To:<[email protected]> Wed 2020-02-26 10:15:32.927: <-- 550-Verification failed for <[email protected]>
Wed 2020-02-26 10:15:32.927: <-- 550-No Such User Here
Wed 2020-02-26 10:15:32.927: <-- 550 Sender verify failed
Wed 2020-02-26 10:15:32.927: --> QUIT

--
--[mdaemon-l]----------------------------------------------------------
Milis ini untuk Diskusi antar pengguna MDaemon Mail Server di Indonesia

Netiket: https://wiki.openstack.org/wiki/MailingListEtiquette
Arsip: http://mdaemon-l.dutaint.com
Dokumentasi : http://mdaemon.dutaint.co.id
Berlangganan: Kirim mail ke [email protected]
Henti Langgan: Kirim mail ke [email protected]
Versi terakhir: MDaemon 19.5.4, SecurityGateway 6.5.1

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