Enabling SMTP Authentication in your email client

When using our email servers you must have SMTP authentication enabled whether you have an email hosting account or a web hosting account.

To enable SMTP authentication in some common email clients:

MICROSOFT OUTLOOK EXPRESS:

  1. Select Tools and then Accounts.
  2. Click the Mail tab.
  3. Select the account you want to to enable authentication on and choose Properties.
  4. Click the Servers tab.
  5. Select the “Outgoing Server” Tab
  6. Tick “My server requires authentication”.
  7. Click the Settings button.
  8. Ensure you also select the “Use same settings as my incoming mail server” option.
  9. Choose Apply.
  10. Choose Close.
  11. Choose Close.

MICROSOFT OUTLOOK XP AND 2003:

  1. Select Tools and then Email Accounts
  2. Highlight View or change existing e-mail accounts then Choose Next.
  3. Select the account you want to to enable authentication on and choose Change.
  4. Choose More Settings.
  5. Select the Outgoing Server Tab
  6. Tick My outgoing server requires authentication.
  7. Ensure you also select the Use same settings as my incoming mail server option.
  8. Choose OK.
  9. Choose Next.
  10. Choose Finish.

MOZILLA THUNDERBIRD:

  1. Select Tools and then Account Settings.
  2. Scroll to the bottom of the account list and select Outgoing Server (SMTP).
  3. Select the account you want to to enable authentication on and choose Properties.
  4. Select the correct outgoing server and click Edit.
  5. In the Security and Authentication section, tick the Use name and password checkbox.
  6. Ensure your username is showing in the box, it should be in the format user+domain.tld
  7. Choose OK.
  8. Choose OK.

MAC MAIL CLIENT OSX 10.4 UPWARDS:

  1. Choose the Mail menu and click Preferences.
  2. Choose the Accounts tab
  3. Click the arrow box on the Outgoing Mail Server (SMTP) pop-up list and choose Add Server.
  4. In the Outgoing Mail Server field enter your SMTP mail server address.
  5. Select the check box on the Authentication list and choose Password.
  6. In the User Name field, enter your full email address or username.
  7. In the Password field, enter your e-mail password.
  8. Click OK.

Without SMTP authentication enabled you may receive some of the following related errors:

550 REJECTED RCPT – YOUR.HOSTNAME.COM [111.111.111.111] IS CURRENTLY NOT PERMITTED TO RELAY THROUGH THIS SERVER. Perhaps you have not logged into the pop/imap server in the last 30 minutes or do not have SMTP Authentication turned on in your email client. 250 Reset OK

SMTP ERROR FROM REMOTE SERVER AFTER RCPT COMMAND:HOST YOUR.HOSTNAME.COM [111.111.111.111]:
530 RELAYING NOT ALLOWED (ENABLE SMTP AUTHENTICATION ON YOUR EMAIL CLIENT)

503 VALID RCPT COMMAND MUST PRECEDE DATA

JUNKMAIL REJECTED – YOUR.HOSTNAME.COM (HOSTNAME) [111.111.111.111] IS IN AN RBL, see https://www.spamhaus.org/query/bl?ip=111.111.111.111 – This error is caused by the IP being in the Policy Block List (PBL), an example is here: https://www.spamhaus.org/pbl/query/PBL174229.

550-Please turn on SMTP Authentication in your mail client.
550-[111.111.111.111]:1234 is not permitted to relay through this server
550 without authentication.

Was this answer helpful?

Also Read

Set up Outlook 2007 / 2010 for secure email access

To create a new email account begin by going to the TOOLS menu then ACCOUNT SETTINGS. Once you...

Changing MX record for Google Apps Mail / Gmail

Once your account and email is setup with Google, to change your MX record to use Google Mail...

If your ISP blocks sending email via port 25

If your ISP blocks you from sending mail via our SMTP servers, you can work around this by...

I'm having problems using secure SMTP in Microsoft Outlook

If you are trying to send mail securely and you are using Microsoft Outlook you should be aware...

My IP is listed on a spam database, what can I do?

This can happen for a number of reasons, often the cause is actually a virus on a computer...