![]() ![]() ![]() Press CTRL+X, Y and Enter to save the file Look for the line preserve_hostname and change it from false to true $ preserve_hostname true First, edit the /etc/cloud/cloud.cfg file: $ sudo nano /etc/cloud/cloud.cfg Before we begin, we need to setup a Fully Qualified Domain Name (FQDN). Step 1: Changing your Hostname to a Fully Qualified Domain NameĬonnect to your Ubuntu 16.04 server. You need to allow the following ports on your ECS Instance via the security group for emails to work: An ECS instance running Ubuntu 16.04 Operating System.Alibaba Cloud Account(Signup now to get one).In this guide, we will cover the steps for configuring a full-blown two way email server using Postfix, Dovecot, Alibaba Cloud DirectMail and SquirrelMail on an Ubuntu 16.04 Elastic Compute Service (ECS) instance.įor the sake of clarity, we will use 198.18.0.14 as a hypothetical public IP address of your Alibaba Cloud ECS instance. The service is stable and affordable and charges depend on usage. Postfix is a free Open-source software application that works as a Mail Transfer Agent (MTA) for routing and delivering electronic mails.Īccording to a December 2017 research conducted by E-Soft, the SMTP (Simple Mail Transfer Protocol) server commands a 33% market share of all email-servers.ĭovecot is an Open-source MDA (Mail Delivery Agent) and is responsible for delivering emails to local recipients' mailboxes on a server.ĭovecot implements IMAP (Internet Message Access Protocol) and POP3 (Post Office Protocol) and hence remains a good choice for accessing emails via (Mail User Agents) MUAs such as Squirrelmail, Ms Outlook, Thunderbird or Roundcube.ĭirectMail is a record-breaking Alibaba Cloud SMTP service for sending notifications and batch emails. Tech Share is Alibaba Cloud's incentive program to encourage the sharing of technical knowledge and best practices within the cloud community. By Francis Ndungu, Alibaba Cloud Tech Share Author.
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