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: ‘xx@games.com’ To: ‘billing@hotzone.net.id’ 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 david@xxx.com. 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=223.255.228.87, 13 rip=114.124.141.10, 14 rip=111.94.212.75, 15 rip=103.10.67.166, 15 rip=103.23.202.26, 15 rip=223.255.228.94, 18 rip=223.255.228.105, 18 rip=223.255.228.89, 25 rip=2406:2400:c0:a708:1014:156e:9dcd:8d7a, 504 rip=111.68.124.38, 2. blok di csf misal : IP 111.68.124.38 504 kali fail … Read more