If you try to sign in to your account but can’t get to your email, you’ll get an Unauthorized Error 550, which means you can’t send or receive emails. If you want to know how to fix Email Error 550. So, don’t freak out! This mistake can happen both ways, so it could happen when someone sends to your server or when you send from your server to another.
Depending on where the mistake bounce comes from, you can take different steps to fix it. If you get “550 No Such User Here” bounces when sending from your server to another server, you probably need to contact the host or email owner of the server you are sending to.
“550 No Such User Here” is a regular error that can happen when you try to send an email. This error happens when the email can’t be sent because the computer can’t find the username or can’t get to it. You could get a “550 No Such User Here” error for a number of reasons.
How to Fix Email Error 550
Try sending the email after some time
There are a few reasons why the recipient’s site might be down for a while. Tell the recipient that the service may be down and ask for another email address or wait a few minutes or hours before trying again.
Check for email address typos
There are a few reasons why the recipient’s site might be down for a while. Tell the recipient that the service may be down and ask for another email address or wait a few minutes or hours before trying again.Email Error 550 can happen when an email address has a typo in it. Make sure that the email address you put in is right and doesn’t have any extra spaces or spelling mistakes. There’s also a chance that the person you’re sending the email to gave you the wrong email address. Also, make sure with them.
Also, make sure that your email address is right and that your email has something in it. Some mail systems won’t let you send an email with nothing in it.
Enable SMTP authentication
- Click on the File button first if you’re using Outlook.
- Now, if you have more than one account, choose it from the list at the top, click on Account Settings, and then choose Server Settings from the menu.
- Click on “Outgoing email,” make sure that “My outgoing server (SMTP) requires authentication” is checked, and then click “Next.”
- By going to Tools and Account Settings in Mozilla Thunderbird, users can set up SMTP security.
- On the left side of the window, click Outgoing Server.
- Next, choose an email service and click Edit to open the window.
- Then you will need to enter your email server’s SMTP settings. For example, if you have a Gmail account, put smtp.gmail.com as the server address and 587 or 465 as the TLS/SSL port number.
- After putting in the necessary information, click the OK button.
Try changing your outgoing mail port
If your email program uses port 25 as an outgoing mail port, servers may stop the email because spammers often use port 25 to send spam. Change your port to either 26, 465, 587, or 2525. If you are using a firewall, you will need to check the new port before you can let data through.
Check whether IP filtering is enabled
Your SMTP server may be set up so that only people from a certain set of IP addresses are allowed to use it. If that’s the case, you won’t be able to send texts from other places. You can fix this quickly by talking to the person in charge of your mail system.
When you try to send an email and get the message Error 550 Message Rejected (or stopped), it means that a spam filter has stopped the message. Your email name is on a Real-time Blackhole List (RBL), which is why this error is happening.