Aol Email Error Http/1.1 Service Unavailable

Today morning i got Aol Email Error Http/1.1 Service Unavailable, how to resolve this error?

Adaline liki Asked on January 31, 2020 in Email.
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Hi Adaline liki,

AOL Mail rarely outright rejects electronic mail upon connection. If you are an email administrator, AOL recommends that you review the associated SMTP logs for any of the errors below:

“553 VS99-IP1 deferred” – This blunders method your SMTP connection become rejected.
“451 VS1-IP Excessive unknown recipients – possible Open Relay (#4.1.8)” – approach the email turned into deprioritized (see our recommendations on fending off deprioritization)
“451 VS1-MF Excessive unknown recipients – feasible Open Relay (#4.4.5)” – way the email became deprioritized (see our pointers on averting deprioritization)
“554 delivery errors: dd This user does not have a yahoo.Com account ([recipients’ userid]@AOL.Com)” – The email didn’t undergo because the recipient’s consumer ID would not exist. You should not retry the message, as it will by no means complete successfully.
“421 Resources temporarily unavailable. Please attempt again later” – The Yahoo Mail servers are quickly too busy. Your server must try to resend the message after a few minutes.
If you do not see these, or similar errors messages, the emails in question aren’t being blocked or deprioritized. You ought to see an SMTP confirmation code similar to “250 adequate dirdel” that suggests your message has been delivered.

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Moderator Answered on January 31, 2020.
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