Tag Archives: simple mail transfer protocol

Configure SMTP Setting For Yahoo Mail

If you are an expert on configuring SMTP Setting and is just looking for Yahoo SMTP Setting, then here it is.


  • Yahoo Server Address: smtp.mail.yahoo.com
  • Username: Your Yahoo Full email address, including @yahoo.com too. (e.g., [email protected])
  • Password: Your Yahoo Password
  • Yahoo Port Number: 465 (SSL), 587 (TLS)
  • TLS/SSL Authentication required: Yes

If this Yahoo Server Address is not working, then you can try another Yahoo SMTP Server Address i.e., plus.smtp.mail.yahoo.com

Note: Thought yahoo hasn’t exactly allocated Email Sending Limits via SMTP. The tentative estimate is around 500-600 Emails a day.

If you are using the mail clients like Microsoft Outlook, Mozilla Thunderbird, or Apple Mail and want to send yahoo Mails thought mail clients, then you are at the correct place. Yahoo Mail supports mail client integration through which you can send, receive, and manage your yahoo Mails. SMTP settings are used by email clients to send emails through Yahoo Mail. Before learning to configure the SMTP setting for yahoo, let’s learn the basics.

Overview of how SMTP works

Overview of how SMTP works

What is an Email Client?

Email clients are a computer program or web-based program which is used to read, send, and manage user’s email. Some email client can manage several email account. Hence, email clients are really handy if you have a lot of email addresses. Email Client Communicate with Email servers to manage the Emails.

Some popular email clients are Microsoft Outlook, Mozilla Thunderbird, iOS Mail, etc. Gmail, Outlook.com are some popular web-based email clients.

What is SMTP?

All the online tasks like website loading data sending etc. follow a set of rules to perform the task such a set of rules are called protocols. Email Server uses SMTP (Simple Mail Transfer Protocol) as it’s guiding protocol to send emails. As the name suggests, SMTP is a protocol to send mail between networks. All email systems that send mails over the Internet use SMTP to send messages over the networks.

Don’t Confuse it with POP/IMAP.

Thought SMTP(Simple Mail Transfer Protocol) and POP()/IMAP are protocols for Emails, they are completely different from one other. SMTP is rules to send Emails while POP/IMAP is a set of rules to access the email from the email server to the client. Both work hand to hand to complete the whole cycle of Email sending and receiving across the internet.

Configure SMTP Settings for Yahoo Mail

SMTP Server Settings for Yahoo Mail mainly consists of 4 parts: server address, username, password, SMTP port

Server Address:

Server Address is the IP address of the Yahoo SMTP server


Your yahoo email user name of which you want to set up the SMTP.


Your yahoo email password of which you want to set up the SMPT

SMTP port:

A port is a communication endpoint that identifies the type of network service. For SMTP the port is either 475 or 587

Here’s the information you’ll need to enter into the email client to send Yahoo Mail: 


Yahoo-Mail SMTP server addresssmtp.mail.yahoo.com
Yahoo-Mail usernameFull yahoo mail address
Yahoo-Mail passwordYahoo mail password
Yahoo-Mail SMTP port465 or 587
Yahoo-Mail TLS/SSL requiredYes

After you set up the Yahoo Mail SMTP setting in your email client, you can send mail from your yahoo mail using the email client.

These settings work with almost all desktop, mobile, and web email programs and services. If the above setting doesn’t work, then you can try with the SMTP setting mentioned below:

Yahoo-Mail SMTP server addressplus.smtp.mail.yahoo.com
Yahoo-Mail usernameFull yahoo mail address
Yahoo-Mail passwordYahoo mail password
Yahoo-Mail SMTP port465 or 587
Yahoo-Mail TLS/SSL requiredYes

Yahoo SMTP Configuration Example for Apple Mail

Apple Mail is the default mailing client for Mac. The setup process of an SMTP server on Apple Mail is very easy:

  1. Click on the “Preferences” option from the “Mail” menu.
  2. Open the “Accounts” tab and then click on “Server settings” options.
  3. You have to configure the server setting as per the requirement. For Yahoo SMTP, enter in the “Outgoing mail server” voice yahoo server address, i.e. “smtp.mail.yahoo.com”
  4. Port“: default is 25, but set it to 465 or 587.
  5. Choose you to “authenticate your mailing“, and enter the yahoo credentials.
  6. Congratulation, you’re ready to send emails with Apple Mail!

If you have got any confusion about the configuration of SMTP on Apple Mail, you can contact Apple Support.

Note: Only a paid professional, outgoing mail server reliable sending of mass emails: Normal SMTP servers like Gmail’s or Yahoo’s aren’t very reliable for email marketing.

Yahoo Mail Sending Limits

There is a sending limit on how many emails you can send at a time when you set up yahoo mail from other mail clients. However, Yahoo Mail hasn’t disclosed the exact number of messages you can send at a time to prevent the spamming of their emails. But if you reached the email service’s sending limit, you will receive the email from yahoo. After waiting for a specified amount of time, you can again send emails via email to clients. 

How to Receive Yahoo Email from Email Clients

To download mail from Yahoo Mail to your email program, you need to set up the Yahoo Mail IMAP or POP3 server settings to your email program. POP and IMAP, both connect an email client to the mail server so you can read your emails through an email client.

  • IMAP: Internet Message Access Protocol. If the email client uses IMAP, then the message doesn’t stay on the local device but only on the server.
    IMAP Setting for Yahoo Mail

    • Your Yahoo! Mail IMAP server: imap.mail.yahoo.com
    • Yahoo IMAP Port: 993
    • Yahoo IMAP TLS/SSL: yes
    • Your Yahoo Username: Your full Yahoo Mail address
    • Your Yahoo Password: Your Yahoo Mail password or your app password
  • POP3: Post Office Protocol. If the email client uses the POP3 protocol, then keep the copy of emails on the local device too.
    POP3 Setting for Yahoo Mail

    • Yahoo Mail POP3 server: pop.mail.yahoo.com
    • POP3 port: 995
    • POP3 TLS/SSL: yes
    • POP3 Username: Your full Yahoo Mail address
    • POP3 Password: Your Yahoo Mail password or your app password

Frequently Asked Questions [FAQs]

How to setup yahoo mail in outlook 2016?

Setting up an SMTP Server is not enough for Outlook mail. Most users set up yahoo mail in Outlook using IMAP. Latest Outlook, like Outlook 2019 or 2016, doesn’t even ask for Settings. It’s all automatic. Here is the step for how to setup yahoo mail in outlook 2016:

  1. Open the Outlook 2016.
  2. Select the File tab from the top navigation bar.
  3. Select Info from the side panel. Account Information panel will open.
  4. Select Add Account from Account Information panel.
  5. Enter your Yahoo Mail address on the modal and then click the Connect button.
  6. Now enter your Yahoo Mail account password or app password and click Connect Button.
    Note: You must use the app password if your account has two-step verification on or you use the account key.
  7. Done, Yahoo Mail is set up on Outlook 2016.
    Note: The step is the same for Outlook 2019 too.

My Yahoo SMTP Server not Working, why?

Usually, the SMTP Server issue doesn’t come from Yahoo Server fault as Yahoo Server has more than 99% Uptime. The process to troubleshoot the Yahoo SMTP Server issue are:

  • Step First: Verify first if Yahoo Server itself is not working. To verify if the Server is working or not is very simple. Just sign in to Yahoo Mail via your account credentials. Send an email to any person or your alternative email and check if you received the email within the five-minute time frame or not. If you didn’t receive the email, then there is a problem with Yahoo Server. Note: Problem in Yahoo SMTP Server is very rare, and even if the problem occurs, it will get fixed very fast. 
  • Step Second: Make 100% sure that you’re using the correct SMTP Yahoo Settings. This is the most common and silly mistake users make. The user, by mistake, enters the wrong SMTP setting on their mailing app. Check out our correct SMTP Yahoo Setting from above and validate it with your settings.
  • Step Third: Are you using Yahoo two-factor Authentication (2FA) or using Yahoo account key? If yes, then you have to make sure that you have created and are using the app password instead.
  • Step Fourth: If you have an extra email address on your Ymail, then you must make sure that the email is verified. The unverified email can cause errors, such as a 553 error code when sending from a third-party email app.
  • Step Fifth: Check if other third party software is using the SMTP default port and blocking it for Yahoo Mail. Software like firewalls, antivirus, programming software, etc. generally uses the port like 465, 587, which is also the port used by the Yahoo SMTP server. Make sure that other applications do not block the port.
  • Step Sixth: If you have tried all the above methods and still got an issue, then it must be the email app manufacturer issue. In that case, you should contact the email application customer support. Or you can use another email server Application instead like Outlook Mail.

How do I find my SMTP server for yahoo Mail?

An SMTP server is always the same for Yahoo Mail regardless of your Yahoo Email Address. Yahoo User A and User B will use the same SMTP server setting. There are no such things as your SMTP server setting. It’s more Yahoo SMTP Server setting, which is mentioned above on the article.