Setting Up Thunderbird for Your @yourdomain Email

If you have an email address at your own domain (like you@yourcompany.com ), the best way to use it is with a proper mail app — not through Gmail’s “Send mail as” feature. Gmail’s approach looks convenient, but it quietly causes delivery problems:

  • Replies carry the entire quoted conversation and images, making messages heavy — spam filters are more likely to reject them.
  • Some recipients get your email while others silently don’t.
  • Bounce messages blame a “misconfigured account” when that isn’t the real problem.
  • Your sent items and read status don’t sync between your phone and computer.

Setting up a real mail app takes about ten minutes. This guide walks you through it with Thunderbird — free, and it works the same on Windows and Mac.

You can always change your password here .

Quick settings

Enter your website address and the settings below will update to match.

ServerPortSecurity
Incoming (IMAP)mail.example.com993SSL/TLS
Outgoing (SMTP)mail.example.com465SSL/TLS

Username: your full email address (for both incoming and outgoing)
Password: your email password
(replace example.com with your own website address)

Setting up Thunderbird

You’ll need your email address and your email password. If you don’t have these, contact me first.

  1. Download Thunderbird from https://www.thunderbird.net/ and install it.

  2. Open Thunderbird. The Account Setup screen appears. (If it doesn’t, click the menu button > New Account > Email.)

  1. Enter your name, your full email address, and your email password.

  2. Click Continue. Thunderbird finds your mail server settings automatically.

  3. Choose IMAP (not POP3). IMAP keeps your mail on the server so your phone and computer stay in sync.

  1. Click Done. That’s it — your mail will start appearing.

If automatic setup doesn’t work

Click Configure manually on the Account Setup screen and enter:

  • Incoming server (IMAP): mail.example.com, port 993, SSL/TLS
  • Outgoing server (SMTP): mail.example.com, port 465, SSL/TLS
  • Username: your full email address (for both incoming and outgoing)

Then click Re-test, and Done.

After setup: remove the Gmail alias

If you were using Gmail’s “Send mail as” before, remove it so old habits don’t recreate the problem:

  1. Open Gmail on your computer and click the gear icon at the top right.

  2. Click See all settings.

  3. Go to the Accounts and Import tab.

  4. In the Send mail as section, click delete next to your @yourdomain address.

From now on, send and reply from your mail app instead.

If something goes wrong

Certificate warning? If your mail app warns about a certificate or security exception, don’t click through it — the server name is probably typed wrong. Double-check it, and if the warning stays, contact me .

Wrong password? I can reset it for you, or you can change it yourself here .

Anything else, just drop me a message — happy to help.

Thunderbird screenshots from Mozilla Support , © Mozilla contributors, CC BY-SA .