Email Configuration Guide (Updated for 2025)

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Overview

To keep your communication secure and compatible with modern email clients, here’s the latest configuration guide for setting up your email with SSL or STARTTLS encryption.

Step-by-step:

1. Recommended Email Settings

Incoming Mail Server (POP/IMAP)

  • Server : mail.yourdomain.com (For example, ours would be mail.webtempleasia.com)
  • POP3 Port : 995 (SSL encryption)
  • IMAP Port : 993 (SSL encryption)

Outgoing Mail Server (SMTP)

  • Server : mail.yourdomain.com
  • SMTP Port (SSL) : 465
  • SMTP Port (STARTTLS) : 587

We recommend using SSL or STARTTLS encryption for both incoming and outgoing email to keep your login credentials and email content secure during transmission.

A server is a computer or system that provides resources, data, services, or programs to other computers — called clients — over a network.
POP3 stands for Post Office Protocol version 3.
IMAP stands for Internet Message Access Protocol. IMAP is used to receive emails and keep them stored on the server, so you can access the same inbox from multiple devices (e.g. phone, laptop, tablet).
SMTP stands for Simple Mail Transfer Protocol.

2. Avoid Using Non-Secure Settings

Do not use the following:

  • Plain-text authentication
  • Ports 25 (SMTP), 110 (POP3), or 143 (IMAP) without encryption
  • Unencrypted connections

These outdated methods can expose your login details and messages to interception or misuse.

Plain Text Authentication is a method of verifying a user’s identity by sending the username and password in an unencrypted form (as plain text) over the network.

3. Why Security Matters

Email is a common entry point for threats. Using encrypted connections:

  • Protects your password and data in transit
  • Reduces the risk of account compromise
  • Helps maintain the credibility of your domain
A threat is anything that has the potential to cause harm, damage, or loss to a person, system, organization, or environment.

4. Compatible Email Clients

These settings work with most modern email apps including:

  • Microsoft Outlook
  • Apple Mail
  • Thunderbird
  • Android & iOS Mail apps

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