[Mdaemon-L] Recipient address rejected: Failed recipient validation check

On 5/4/23 12:10, Bambang Setiawan via Mdaemon-L wrote: Mohon bantuannya untuk part log failed ini kenapa ya pak ? [39805572] --> RCPT To:   [39805572] <-- 551 5.1.1 : Recipient address rejected: Failed recipient validation check.: host 127.0.0.1[127.0.0.1] said: 554 5.7.1 recipient verify

[Mdaemon-L] Recipient address rejected: Failed recipient validation check

Dear Pak Syafril, Mohon bantuannya untuk part log failed ini kenapa ya pak ? [39805572] --> RCPT To:   [39805572] <-- 551 5.1.1 : Recipient address rejected: Failed recipient validation check.: host 127.0.0.1[127.0.0.1] said: 554 5.7.1 recipient verify from ldap failed (in reply to RCPT TO