status=deferred (host xx.com[x.x.x.x] refused to talk to me: 451 4.7.1 Please try again later) – Postfix

Solusi : Berarti cek domain tujuan ( bisa menggunakan traceroute ke IP atau domain tujuan) – biasanya traceroute ga sampe ke server tujuan ( routing internet ) Related Posts:Solusi Service Exim cpanel Down – 421 Too many…The following cPanel service generated warnings from…Membuat alert grafana dan integrasi ke emailInstall CHR di ProxmoxDeferred due to greylisting. … Read more

Cara Blok recepient / Mail sending out di postfix

— buat file sender_access cd /etc/postfix nano blacklisted_domains — isi nya misal ( bisa untuk domain global , atau user account ) abusivecustomer.net REJECT kucing@customer.net REJECT   — masukan ke Data Base postmap /etc/postfix/blacklisted_domains — edit / masukan line berikut di main.cf  ( tambahkan diawal baris ) nano /etc/postfix/main.cf smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/blacklisted_domains, reject_non_fqdn_recipient,   … Read more

Cara Memblok Sender yang spamming di postfix

— buat file sender_access cd /etc/postfix nano sender_access — isi nya misal ( bisa untuk domain global , atau user account ) abusivecustomer.net REJECT kucing@customer.net REJECT   — masukan ke Data Base postmap /etc/postfix/sender_access — edit / masukan line berikut di main.cf ( di paling bawah baris) nano /etc/postfix/main.cf smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/sender_access   — … Read more

cara blok sender email di postix

cara memblok email sender supaya tidak bisa menggunakan smtp relay. nano /etc/postfix/sender_access isi file nya test@games.com REJECT lalu setting di /etc/postfix/main.cf tambahkan baris erikut : check_sender_access hash:/etc/postfix/sender_acces sehingga menjadi : smtpd_recipient_restrictions = check_sender_access hash:/etc/postfix/sender_access, reject_non_fqdn_recipient, permit_mynetworks, reject_unauth_destination lalu masukan ke database postfix nya postmap /etc/postfix/sender_access restart service nya /etc/init.d/postfix restart silahkan di coba. NOte : … Read more

Blocked BAD-HEADER-0 in amavisd-new

problem : Dec 21 14:34:16 smtp50 amavis[11961]: (11961-13) Blocked BAD-HEADER-0 {BouncedOpenRelay,Quarantined}, [150.129.57.34]:55449 [150.129.57.34] <ekayuniari@nusaduahotel.com> -> <abctourbali@hotmail.com>, Queue-ID: CBE0F22D0295, Message-ID: <3C16E26581B1B04F873F78775DB4912053F05F27@MAILSVR.nusaduahotel.com>, mail_id: kapn1E_TRfvI, Hits: -, size: 223548, 70 ms Dec 21 14:34:16 smtp50 postfix/lmtp[12582]: CBE0F22D0295: to=<abctourbali@hotmail.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.51, delays=0.44/0/0/0.07, dsn=2.5.0, status=sent (250 2.5.0 Ok <abctourbali@hotmail.com>, DSN was sent (554 5.6.0 Bounce, id=11961-13 – BAD HEADER)) solusi … Read more