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I am unable to send Yahoo Email Using IMAP/POP

It is not that rare for a user to encounter an error message while sending an email message on Yahoo. These error messages are really frustrating especially when you have to send some important emails. It is not compulsory that you will receive Yahoo mail sending errors only if you have any malfunctioning with your Yahoo Mail account. Actually, Yahoo mail has a fixed limit on the number of emails a user can send in a day. If you cross that you will find yourself facing yahoo mail sending errors.

Yahoo Email Sending Error

If you are also receiving an error because if you have crossed the daily limit, then you need to wait for the next day to get the issue resolved. For rest of the reasons why you are not able to send Yahoo emails, you just need to follow the instructions mentioned in this tutorial.

How to fix Unable to send emails on Yahoo problem?

If you haven’t crossed the daily limits for sending emails on yahoo then you should follow the steps given below to fix Yahoo Mail Sending Errors.

  • Firstly, you should check the “Sent” folder and make sure that the message you are sending is not already sent.
  • Make sure that you are not making any typos while entering the email address of the recipient.
  • In case you can’t find your email in the sent folder then you may find it in the draft folder. You should try to resend that email from the draft folder.
  • Ensure that your account is not blocked by Yahoo. Usually, Yahoo blocks an email account due to mass spam reporting.

If the problem continues even after following the above-mentioned steps than you should contact your recipients and ask them to check the following things.

  • The recipients should check the spam folder because sometimes an email can go to the spam folder by itself.
  • Make sure that your recipients haven’t blocked you. They should check their blocked list in order to do this.
  • Ask your recipient to check their filter settings. Ensure that your sent message is not blocked by the recipient’s filter.

Unable to send Yahoo Email using IMAP/ POP

Many times, Yahoo email users complain that they are unable to send Yahoo mail on MS Outlook or some other third party email clients. This problem arises due to incorrect configuration of IMAP and POP Settings.

The correct IMAP setting for Yahoo is given below

Incoming Mail (IMAP) Server:

  • Incoming server -
  • Requires SSL - Yes
  • Port - 993

Outgoing Mail (SMTP) Server::

  • Outgoing Server –
  • Requires Authentication - Yes
  • Port – 587 or 465
  • Port – 587 or 465

The correct POP Server Settings for Yahoo Mail will be as follows:

Incoming Mail Server:

  • Server –
  • Require SSL - Yes
  • Port – 99

Outgoing Mail (SMTP) Server

  • Server -
  • Require SSL - Yes
  • Require TLS - Yes
  • Port – 587 or 465
  • Require authentication – Yes

Note: The login information will remain the same for both POP and IMAP settings

Entering the correct POP/ IMAP settings will fix Yahoo Mail sending errors in email clients. Additionally, it will also help you if you are unable to receive yahoo email on MS Outlook or some other email clients then Contact Yahoo 800 Customer Service Phone Number