Get solutions/Guide Fix Cannot Send and Receive Emails From My ATT Email

Get solutions/Guide Fix Cannot Send and Receive Emails From My ATT Email

Whenever we hear the word AT&T, the image of a blazing fast internet service comes across our mind. However, do you know? AT&T also provides a very capable email service for its users. Features and functions wise, the email service of AT&T can match with any of the popular emails like Gmail, Yahoo, Outlook, etc. However, problems like “cannot send emails from AT&T email” can ruin the overall emailing experience of the users. 

There are various possible factors that can stop a user from sending emails through his/ her AT&T email. We will discuss these factors here in this post. Apart from this, we are also going to provide a troubleshooting guide to fix unable to send emails on AT&T problem with ease. 

Reasons why you can’t send Email from AT&T email account

Not being able to send AT&T emails is certainly one of the top-most issues that users have to face with their email account every now and then. It is not possible to predict a single factor that might be causing such an issue for you. Let’s discuss some of the most common factors that often cause such a problem. 

  • Internet Connectivity – To use AT&T email, you must have a good internet connection. In case your internet connectivity is not good then you might not be able to send emails. 
  • Browser Issue – AT&T email works best with the latest version of a compatible browser. Using incompatible browsers can result in a variety of issues. But, the good thing is AT&T is compatible with most browsers including Google Chrome, Mozilla Firefox, etc. 
  • Plugins and add-ons installed on the browser – We add plugins to our web browser to make the internet browsing experience smoother. But, sometimes, these add-ons can also cause email services to work in an inappropriate manner.   
  • Issues due to email clients – Many of us like to use AT&T email on email clients. But, in case there is a problem with an email client then you might have to deal with problems. Such kinds of issues occur mostly due to internet incorrect POP/ IMAP settings.  
  • Sign-in issues – It is necessary to log in to your AT&T email account in order to send an email. Remember, you can’t send an AT&T email unless you are and properly signed in.  
  • Size of the email you are sending – You are not allowed to send an email on AT&T of a size more than 25 MB. So, if you can’t send an AT&T email then you should check the size of the file you are sending.  
  • Format of the emails – Some formats are not allowed on AT&T. So, make sure you are not sending files with these formats through an AT&T email. 

How to fix Unable to send AT&T emails?

Let’s go through the troubleshooting steps that you can follow in case you are not able to send AT&T emails. 

Fix Connectivity Issues

  • First of all, you need to ensure that the device on which you are using your AT&T email account is connected to the internet. 
  • To check the internet connection, you may simply try to run another website. 
  • In case the other website runs properly then it is an indication that your internet connection is fine.  

Browser Issues

  • You must use AT&T email on a compatible browser. 
  • Fortunately, AT&T email runs well on most popular browsers including Google Chrome, Mozilla Firefox, Internet Explorer, etc. 
  • Also, you should confirm that you are not using AT&T email on an obsolete version of the browser. You must update immediately in case you are using an outdated browser. The steps to update a browser are different for various web browsers available. 
  • In case you are still not able to send an AT&T email then you should try to resend after removing the add-ons and plugins installed on the browser. 
  • Make sure Javascript is enabled on your browser. 
  • We also recommend you update the Adobe Flash Player on your device. 

Check and resolve AT&T Email Account Settings

  • Ensure that the size of the email you are trying to send is not too big. 
  • Check the email address of the recipient. Confirm that you are not making any kind of mistake while entering the email address. 
  • Entering the incorrect email address is the most popular issue due to which error messages like Failed Delivery, Problem Found, Message not sent, etc. appear. 
  • Check your block list. Make sure you are not trying to send emails to someone you have blocked previously. 

AT&T Sign-in Issues

  • Confirm that you are properly signed into your account. 
  • Those who forget the AT&T password should run AT&T password recovery and reset the same. 

Email Programs and Apps

  • In order to use AT&T on an email client, you must enter the correct IMAP/ POP settings. 
  • Before checking the IMAP/ POP settings, you need to confirm that the email client you are using is compatible with your device. 
  • The IMAP and POP3 settings to set up AT&T email on different email clients. Please note that these settings are also applicable to email addresses with the following domains,,,,,,,,,,, or  

IMAP settings 

Email Protocols IMAP
Inbound server
Inbound port 993
Outbound server
Outbound port 465 or 587

POP3 Settings

Email Protocols POP3
Inbound server
Inbound port 995
Outbound server
Outbound port 465

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