The mail server detected your messages as spam and has prevented delivery (80)

Solusi : Go to WHM -> exim configuration manager -> Basic Editor -> Filters -> Apache SpamAssassin™: bounce spam score threshold ( set No ) Related Posts:How to Upgrade Mysql in WHM/CpanelCommand Exim LogSolusi untuk The system has detected an unusually…How to fix SMTP Transaction Time timeouts in cPanelInstall PowerDNS In CPanelSolusi Service Exim cpanel … Read more

Deferred due to greylisting. Host: ‘x.x.x.x’ From: ‘’ To: ‘’ SPF: ‘unchecked’

Disable Home »Email »Greylisting Related Posts:Cara Membuat Virtual host di Centos 8 untuk PemulaCara cek validasi DKIM,SPF dan RDNS domainCara Mudah Install Zimbra di Centos 7The following cPanel service generated warnings from…Beberapa perintah dasar pada MySQL (Mariadb)How to Upgrade Mysql in WHM/CpanelSolusi untuk: our system has detected an unusual…Cara Submit / request delist domain ke … Read more

How to fix SMTP Transaction Time timeouts in cPanel

Exim configuration at WHM Basic Editor ACL – ALL disbale ” Introduce a delay into the SMTP transaction for unknown hosts and messages detected as spam “ Set “smtp_receive_timeout” = 5 m (default 165 s) – exim configuration -> advanced Editor -> search “smtp_receive_timeout” Related Posts:How to Upgrade Mysql in WHM/CpanelCommand Exim LogThe following cPanel … Read more

The mail server could not deliver mail to The account or domain may not exist, they may be blacklisted, or missing the proper dns entries.

Solusi nya jika memang jika kirim dari domain lain / yahoo / gmail bisa kirim maka setting Exim nya sbb : “WHM Home » Service Configuration » Exim Configuration Manager » Advanced Editor” lalu search ” Add Additional Configuration Setting “ dan tambahkan allow_mx_ip_ip = yes , lalu save .. Related Posts:Best Free DNS for … Read more

IMAP and POP3 authentication DOS attack cpanel

gunakan commnad berikut untuk mengetahui fail autentikasi per IP # awk ‘/auth failed/ {for (i=1;i<=NF;i=i+1) if ($i~/rip/) print $i}’ /var/log/maillog |sort|uniq -c|sort -n| tail 12 rip=, 13 rip=, 14 rip=, 15 rip=, 15 rip=, 15 rip=, 18 rip=, 18 rip=, 25 rip=2406:2400:c0:a708:1014:156e:9dcd:8d7a, 504 rip=, 2. blok di csf misal : IP 504 kali fail … Read more