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

December 6, 2019December 6, 2019admin

Solusi : Berarti cek domain tujuan ( bisa menggunakan traceroute ke IP atau domain tujuan) – biasanya traceroute ga sampe ke server tujuan ( routing […]

Deferred due to greylisting. Host: ‘x.x.x.x’ From: ‘[email protected]’ To: ‘[email protected]’ SPF: ‘unchecked’

November 13, 2019November 13, 2019admin

Cpanel/WHM Exim

How to fix SMTP Transaction Time timeouts in cPanel

November 13, 2019November 13, 2019admin

Email Server

Membuat smtp gmail supaya bisa di pake untuk outgoing autentikasi

October 29, 2019October 29, 2019admin

Email Server DNS

Membuat Record DMARC untuk domain

October 25, 2019October 25, 2019admin

Google Apps

Range IP Google + Gsuite

October 25, 2019October 25, 2019admin

Debian

Getting error while opening /etc/profile: Error reading lock file ./.profile.swp: Not enough data read

October 10, 2019October 10, 2019admin

Centos

Mengecek Performa Baca-Tulis Harddisk di Linux

October 8, 2019October 8, 2019admin

Htaccess

Membatasi / Memblok akses ke web dari IP luar dan hanya bisa akses dari IP tertentu dengan htaccess

September 26, 2019September 26, 2019admin