2023/10/4 -The response "Client host rejected: Access denied" occurs when Messaging Gateway mail acceptance for the queue is using a Mail Acceptance configuration (Access ...
2023/1/2 -It generally boils down to the smtpd_recipient_restrictions setting. But it is generally quite a lengthy list, mine for example:
2021/2/2 -When I try to send mail, I get this message: The server response was: <unknown[72.92.139.143]>: Client host rejected: Access denied.
SMTP Code 554. 5.7.1 means 'Not allowed'. The address in MAIL FROM appears to have insufficient submission rights, or is invalid, or is not authorized with the ...
This error means that a computer has attempted to deliver e-mail without a correct reverse DNS. Due to the large quantity of spam messages, ...
2024/4/18 -Cause. Incorrect or missing PTR record of the sender's mail server. Resolution. Contact the server hoster or provider of the IP address in ...
Q.仕事で上司にメールするのですが、配信不能：Client host rejected: Access deniedとメッセージとともに返ってきます・・・メールが送れません。３度送りましたが届きませ...
A.アクセス拒否ですよ。届くわけがないですね・・・・・・・・・・
Q.メールを送信し、5日後の今日になって 件名「Undelivered Mail Returned to Sender」というメールが「MAILER-DAEMON@mail.自分のドメイン」から届き...
A.くみちゃんさんのおっしゃっていることに補足ですが、送信元の IP アドレスに対して適切な DNS レコードが設定されていないことが原因のように思われます。 cannot find your h...
2022/3/21 -I'm trying to send emails via SMTP, but I get the error: Client host rejected: Access denied. This error started after I got hundreds of error return messages.
2024/5/13 -The blocking is on the receiver's side, but Gmail should be trusted. (Often, this happens when the sender's IP address doesn't match the sending domain.)
2020/7/6 -All I had to do was to replace the ESMTP banner. Old ESMTP banner was localservername.domain.com. I changed it to mx1.domain.com and also ...
2013/5/27 -Usually, the "reason: 554 mail server permanently rejected message" email is received because the mail server thought your email is spam.