Email Settings: POP3, IMAP, and SMTP

One of the domain alternatives for ATT-provided mail addresses is an AT&T-managed online site. This manual will show you the email settings so that you may make the most of the hosting and email services while avoiding any unnecessary issues.

Currently SMTP Settings

Without initially customizing your settings, you will be unable to utilize the outgoing mail services effectively. To use desktop mail software to access your account, you will need the following SMTP settings:

Option Description
SMTP Host:
  • For POP3 -
  • For IMAP -
SMTP Port:
  • For POP3 - 465
  • For IMAP- 465 or 587
SMTP Username: Your full email address (
SMTP Password: Your secure mail key (for some mail programs, you can use your mail account password as well) Email Server Settings For Receiving Emails

You should note the following settings for mail receiving:

Currently POP Settings

Option Description
POP3 Host:
POP3 Port: 995
Requires SSL: Yes
POP3 Username: Your full email address (
POP3 Password: Your secure mail key (for some mail programs, you can use your mail account password as well)

Currently IMAP Settings

Option Description
IMAP Host:
IMAP Port: 993
Requires SSL: Yes
IMAP Username: Your full email address (
IMAP Password: Your secure mail key (for some mail programs, you can use your mail account password as well)

Additional Notes to Remember

AT&T users of email run a free mail service provided by and may access up to 1Tb of storage.

You must use a web browser and navigate to the following address to access your email:

💡 Note: In this guide, you will discover what secure mail keys are and why you'll want them to access your Currently email from a desktop application or email client without using Open Authentication (OAuth).

Looking for Roadrunner email settings or Spectrum settings? Our Blog's Email Settings category contains specs for all major mail service providers.

POP3 vs. IMAP: What's The Difference

Two alternative methods for configuring a mail address in a client application are IMAP and POP3.

With IMAP or Internet Message Access Protocol, you may use any device to access your emails from anywhere. When utilizing IMAP, you read a message from the email provider rather than downloading or saving it on your computer. Consequently, you may access your emails from various devices and locations throughout the globe, including your phone, a laptop, and a friend's PC.

IMAP does not automatically download attachments; instead, it waits until you click on a message to download it. You can check your emails much faster this way than you can use POP.

The most used protocol for receiving email over the internet is Post Office Protocol 3, or POP3. This standard protocol gets used to transmit emails from a distant server to a local client and is supported by most email servers and clients. With POP3, email is received and stored on the email server in one-way client-server communication. The POP protocol's third iteration is indicated by the "3" in its name.

Users may check their email without a mail program since POP3 integrates into common internet browsers like Internet Explorer and Mozilla Thunderbird.

The two are different because IMAP saves messages on the server rather than a local device like a PC, even though they let you connect to the mail server and read your emails via a client program. On the other hand, POP3 mail will make an effort to connect and store messages locally, whether on your PC or a mobile device. POP3 transfers email from a server to one machine before erasing it from the server. IMAP, on the other hand, synchronizes the message across many devices and saves it on a server.

As a result, IMAP is still the preferred email protocol for most users.

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