DKIM Signature and verification using DKIMproxy.

DomainKeys Identified Mail is an alternative to strong authentication systems that are PGP and S/MIME. Unlike those, DKIM furnishes an authentication not of the author, but of the domain it belongs to. DKIM is the legitimate son of DomainKeys, from Yahoo!, and Identified Internet Mail, from Cisco. 1. Identity and Email Email Authentication is quiteĐọc tiếp “DKIM Signature and verification using DKIMproxy.”

Install Postfix SMTP SSL Certificate

In this tutorial you will learn about Installing SSL Certificate (Secure Server Certificate) to secure communication between PostfixSMTP server and mail client such as Outlook or Thunderbird. You need to generate a CSR certificate for CA, to use with your Postfix mail server. This tutorial instuctions are tested under: Redhat enterprise Linux 5 CentOS 5Đọc tiếp “Install Postfix SMTP SSL Certificate”

Using Telnet with an SMTP Server

Despite having been around for a long time, telnet is an invaluable tool for testing a mail server. It allows one to pinpoint errors in the process – some which are not logged – and to quickly validate that things are working. Moreover, it enables one to get a better understanding of what their mail server expects,Đọc tiếp “Using Telnet with an SMTP Server”

Những điều cần thiết khi xây dựng Mail Server.

Có những điểm đáng lưu ý khi triển khai Email server mà không phải bất kì quản trị hệ thống nào cũng lưu tâm, hoặc biết đến, ngay cả trong các khóa đào tạo người ta cũng ít nhắc đến vấn đề này. Khi đảm bảo được máy chủ mail đáp ứng đủ những yêuĐọc tiếp “Những điều cần thiết khi xây dựng Mail Server.”

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