How To Resolve SBCGlobal Email Error Code 550

How to Eliminate Error Code 550 from SBCGlobal Email?
Nov 07, 2022      admin     Blog

SBCGlobal is one of the most famous and popular email services across the globe that is helping millions of users reach out to each other. Nowadays, emails have become an important part of our life for communication. From sending or receiving emails with documents, proposals, and many more, it has become easier for users to connect with anyone worldwide. Despite providing unique features and results, many users face technical glitches while accessing it. One of the common issues is the SBCGlobal email error code 550 & att email login. This error usually arises when the user tries to send an email to an unconfirmed email address. Well, if you want to get this error resolved, then we are here to help you. In this guide, we will walk through the steps you can follow to eliminate the error.

SBCGlobal Email Error Code 550

SBCGlobal error code 550 is one of the most common errors email users face. Error 550 code usually appears on your screen when there is an issue with the recipient’s email address. SBCGlobal email error code 550 is connected with the Simple Mail Transfer Protocol (SMTP), a set of standard rules and regulations to send or receive emails. This error code is also referred to as the SMTP 550 error code.

Some of the common phrases through which SBCGlobal email error code 550 arises are as follows;

  • Email Error Code 550: Policy Denied
  • Email Error Code 550 5.1.0: Rejected by Email Address
  • Email Error Code 550 5.7.1: Access Denied
  • Email error Code 550: Host Unknown

Why Does SBCGlobal Email Error Code 550 Arise?

Wondering why you are facing the SBCGlobal email error code 550? Below, we have listed some of the crucial reasons due to why a user may face SBCGlobal email error code;

  • Trying to compose an email to an invalid or wrong recipient email address.
  • Blocked email authentication.
  • Email recipient has added your email address in the blocklist.
  • When you are trying to send an email to a temporarily suspended or unavailable email address.
  • Internet or server issues can also be the possible reasons leading to the email error code in SBCGlobal.
  • The recipient’s email address server fails to identify your mailing address.

Solutions to Fix SBCGlobal Email Error Code 550

Once you have a clear idea about the possible reasons why the error arises, let’s discuss the solutions you can execute to resolve SBCGlobal email error code 550.

Solution 1. Verify the Recipient’s Email Address

The most common reason a user may face the SBCGlobal email error code 550 is sending an email to a wrong or invalid email address. Sometimes, even a small typo error while writing the email address in the “To” section can also lead to the SBCGlobal error code 550.

Now, whenever you face SBCGlobal email error code 550, given below are some important instructions that you must follow;

  • Verify the recipient’s email address.
  • Make sure that the recipient has not blocked your email address.
    If you are composing a mail for the first time, you must enter the email address twice in the insert fields. This step is required for verification purposes.
  • Once you successfully set up your email account, it will take around 24 hours to activate it properly.
  • Ensure you have provided the correct email address in the insert field.

Solution 2. Check SBCGlobal Email Server Status

Sometimes, if there is some server issue with the SBCGlobal email account, the users might face various technical glitches while using the email account. In that scenario, you must confirm the email server status of SBCGlobal email services through various online websites, such as a down detector, etc., to confirm the status.

If you find a server issue with SBCGlobal email services, you must wait for a few minutes or hours. As time passes, then try to compose the email again.

Solution 3. Unblock Email Authentication

If you were trying to access your email account with incorrect login credentials, it could lead to void authentication. In that case, users may face various technical glitches while using their email account, and error code 550 is also among them.

So, here are the steps that you can execute to unblock email authentication in your SBCGlobal email account;

  • First, launch the “Mail” program application and then make sure to enable “SMTP Authentication.”
  • Moving ahead, you have to select the “My server requires authentication” option.
  • If you have configured the email account or Outlook or Windows, then the email authentication will automatically be unblocked.
  • After that, you must click the “Yes” option to confirm the setup process.

Solution 4. Ask the Recipient to Check Blacklist

If the recipient has added your email address to the blocklist, you might face error code while sending an email. In that case, you must ask the email recipient to remove your email account from the blocklist.

Also, there can be some chances that you have blocked the recipient’s email address by mistake. You must unblock that email address to eliminate error code 550 from the SBCGlobal email account. So, given below are the steps that you can follow to do so;

  • First of all, access SBCGlobal email account.
  • Thereon, you have to click on the “Gear” icon available on the right side of the screen, and then select the “More Settings” option.
  • Followed by the above steps, click on the “Security and Privacy” option.
  • Now, a list of all the blocked email addresses will appear on your screen.
  • Here, you must select the email address you want to unblock and then click on the “Trash” icon.

You have successfully unblocked the email account by performing the steps mentioned above. Thereon, try composing a new email and check if the SBCGlobal email error code 550 has been eliminated.

Solution 5. Verify that IP Filter is Enabled

If you have not configured the SMTP authentication on your SBCGlobal email account, you might face various issues while sending or receiving new emails in your SBCGlobal email account.

In that scenario, you have to manually enable the SMTP authentication on your email account, and for that, given below are the steps you can execute to do so.

  • Firstly, navigate to the settings of your SBCGlobal email account.
  • Thereon, you have to select the “Outgoing Server (SMTP) option and then click on the “Edit” option.
  • After that, select the SMTP server option you want to configure and click on the “Edit” option again.
  • Now, you have to verify your email account’s username and login password.
  • Thereon, click on the “OK” option to apply the new changes.

Solution 6. Verify Email Server Settings

Another possible reason a user may encounter SBCGlobal email error code 550 is the incorrect email server settings. Therefore, you must ensure that you have provided the correct email server settings.

Let’s discuss the correct server settings for your email account;

  • Server address:
  • Port: 993
  • Security: SSL or TLS
  • Username: Your email account address
  • Password: Login password of your mail account

Firstly, you must check the server settings you provided on your SBCGlobal email account. If you notice any discrepancy with the server settings, you must rectify the settings immediately.

Now, try to log in to your SBCGlobal email account and verify if the error code has been eliminated. After carrying out the above-mentioned solutions, SBCGlobal must be eliminated at this stage.

Ending Note:

As demonstrated above, we have covered six tried and tested solutions that you can follow step-by-step to eliminate the error code 550 from the SBCGlobal email account. If you have a query related to the blog or are still facing the error, you can get in touch with our email experts. Our email experts are available 24*7 at the help desk. You can get the best feasible solution by sending us your query through the chat box or via mail.

Frequently Asked Question:

Recently, the SBCGlobal email has been running under AT&T email, and this email is shifted to AT&T Yahoo! Service. A few customers use SBCGlobal email and carry on their assistance.

Some possible reasons behind this error are given below.

  • Incorrect Id and Password
  • A weak or steady internet
  • Browser error
  • Lost SBCGlobal email password

Some upgrading steps are given below to troubleshoot the SBCGlobal email.

  • Access outlook express
  • Choose File
  • Choose Account Settings
  • Choose the email account to upgrade
  • Inspect in internet email settings whether you have selected POP3 or IMAP
  • Mention the IMAP or POP3 settings
  • Choose more settings
  • Choose the outgoing server tab

The five common methods are given below to troubleshoot email errors.

  • Examine your email account username
  • Examine your email account password
  • Recognize the email account type
  • Verify the email server connection settings
  • Troubleshoot a misbehaving email program or app