Now we know the reasons for AOL sent mail failure error code 604. so, let’s go ahead and solve the problem with the Easiest Way To Fix AOL Mail Error Code 604.

Steps To Fix AOL Mail Error Code 604

Follow the below steps to resolve AOL mail error code 604:

Check the mail address

Whenever you are receiving the sent mail failure error, the first thing you need to do is check the delivery email address. You have probably entered the wrong delivery address; that’s why AOL is unable to deliver the mail and shows you AOL error code 604. So, double-check the address; if you have doubt, you can ask a receiver to send you an email; you need to reply to that. If you are also unable to receive emails from your AOL account.

Review the AOL Server Address too

If sometimes, users might be dealing with the AOL mail sent mail error 604 because of invalid configuration. Probably, you have made a mistake in configuring the outgoing port. So, check the outgoing server settings. It should be matching to the following one.

  • Username- your email address. Password- your login password.

  • Outgoing Address- smtp.AOL.com

  • SMTP Port no- 465

  • SMTP authentication – SSL


Related Blog: How Can Change AOL Mail Password?


AOL Server Is Down

If you cannot send emails from the computer, please send them via phone or another device. Let’s see it is sending the mails now or not? In case AOL doesn’t let you send the emails from those devices too. Please check the AOL servers; maybe they are down. That’s why you are dealing with such issues. In that scenario, you have to wait until AOL confirms that they are live again.

Fix Browser Issues

Some users might be dealing with AOL mail error code 604 because of browser issues. Their browser might not be able to process the request successfully. You may also be one of them, so you are currently unable to send emails on AOL. Please reset the browser. And then send the emails. If you are facing any issues in the login process, please visit: how to fix AOL email login problems? So, these are the techniques to fix the AOL sent mail failure error 604. If you have any other AOL issues like- AOL mail disappeared. Please tell us via comment. We will share the solution to get the problem fixed efficiently.


If you need any technical help related to AOL Mail Error Code 604, then contact our AOL Mail support team you can dial our AOL Mail toll-free at +1(866)257-5356 number and get instant help from our expertise person. We are available 24*7 through remote access to help resolve your error.

Source URL: https://sites.google.com/view/aol-mail-error-code-604/home

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