How to troubleshoot the error 553 Unable to verify address in Linux Reseller web hosting ?<\/p>\n
Email troubleshooting :Error 553 Unable to verify address<\/p>\n
This error message is due to your e-mail client failing to authenticate to the e-mail server. Please make sure that the \u201cServer Authentication\u201d option of your e-mail client is enabled and that you are using the correct e-mail credentials. 553 sorry, unknown email address\u2019 is a common email error that happens because the recipient address is invalid. The senders would see this error in the bounce message they receive.A 553 email error is normally related to SMTP authentication not being used. Most mail servers require that you authenticate with a valid user on that system, before you are allowed to relay a remote message out. However some mail administrators will also using the 553 error if a user doesn’t exist or for various other reasons as well.<\/p>\n
You should receive a bounce-back message from the server with a variation of email error 553 in the subject, and the body should contain your original message that you attempted to deliver.<\/p>\n
why the error occurs:<\/p>\n
1. Incorrect or invalid recipient address
\n2.MX entry not properly set for the domain
\n3.553 error due to improper sender authentication<\/p>\n
How to fix the issue:<\/p>\n
Cross-check the recipient email address you\u2019ve given and confirm that there are no spelling mistakes or errors. If everything is fine at your end, confirm whether the email account actually exists.Verify the MX records for a domain.<\/p>\n
This error is usually a result of your email client not correctly authenticating with the mail server. This is only a small issue and can quickly be rectified.<\/p>\n
1.Make sure you are using your full email address, for example: example@domain.com
\n2.Make sure you have enabled the setting “My server requires authentication”
\n3.Double check all settings within email client.<\/p>\n
The settings should be as follows:<\/p>\n
1.Incoming Mail Server – mail.domainname.com
\n2.Outgoing Mail Server – mail.domainname.com
\n3.Username – your full email address
\n4.Make sure “My SMTP server requires authentication” is enabled<\/p>\n","protected":false},"excerpt":{"rendered":"
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