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Email: Error 550 – Mail Rejected/Blocked

Sometimes you may notice a bounce back similar to the following when trying to send emails. This is most likely happening because the server has been added to some kind of email blacklist.  From: Mail Delivery System [mailto:Mailer-Daemon@servername.webserversystems.com] Sent: Tuesday, June 29, 2010 9:08 AM To: test@site5demo.com Subject: Mail delivery failed: returning message to […]

Email: Error 550 – No Such User

You will receive a No Such User bounce back message when you attempt to send a message to an email that does not exist. Until the administrator creates the email account, or you correct the email address (if mistyped), you will be unable to send them a message. Below is what a version of the […]

Email: Error: 550 – Quota Exceeded

You will receive a quota exceeded bounce back message when you attempt to email someone that has a full mailbox. Until the user makes space in their mailbox, or the quota has been increased, you will be unable to send them any messages. Below is what a version of the bounce back could look like. This […]

SquirrelMail Overview

SquirrelMail is a webmail system that allows you to access your emails through a web interface. For information on the use of SquirrelMail webmail please click the appropriate link below. How to access webmail How to open an email How to write an email How to view email headers How to import/export […]

RoundCube Overview

RoundCube is a webmail system that allows you to access your emails through a web interface. For information on how to access webmail please click the appropriate link below. How to log into webmail How to open an email How to write an email How to view email headers How to […]

Horde Overview

Horde is a webmail system that allows you to access your emails through a web interface. For information on the use of Horde webmail please click the appropriate link below. How to log into webmail How to open an email How to write an email How to view email headers How to import […]

Thunderbird: How to Save or Remove Emails from the Server

In this article we will cover how to configure Thunderbird to save/remove emails on the server when using POP3 after downloading them. This article ONLY applies to POP3 connection types. 1) Open Thunderbird 2) Click Tools 3) Click the Account Settings button 4) Select the account you wish to edit 5) Click Server Settings 6) Select what you want […]

Mac Mail Overview

Mac Mail is a free client that comes with OS X machines. You can use the guide below to open up the email program and/or you can use the links below to start configuring the software right away! To determine the version of Mac Mail you are using: Launch the mail […]

Email: How to setup a POP/IMAP e-mail account in Microsoft Outlook 2010

This tutorial assumes you’ve already created your new email account in SiteAdmin or cPanel. Now let’s learn how to setup that new email account in Outlook 2010, so you’ll be able to send and receive emails to and from that new email account. 1) Open Outlook 2) Click File 3) Click the Account Settings button 4) […]

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