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 ...
2023/12/26 -Hi. What the problem and how to fix ? My custom template: PTR is correct: UPD: My PTR record was not correct.
2024/3/10 -3. bestperson: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [5.35.82.146]. probaly your issue. bestperson: SMTP error from remote mail ...
6日前 -Your mail has been successfully queued! This response indicates that the recipient server has accepted the message. 403, You are not authorized to send from ...
2024/4/4 -... 450 4.7.1 Client host rejected: cannot find your reverse hostname ... Open Proxy / Compromised and Exploited Host / Phishing and Malware Source ... Is this your IP?
2024/1/9 -1 sender address rejected:access denied 554 5.7.1 Hostname[XXX.XXX.XXX.XXX]: Client host rejected: Access denied. 送信元ドメインが正しく名前解決されていない ...
2024/3/2 -Old Reports: The most recent abuse report for this IP address is from 2 months ago . It is possible that this IP is no longer involved in abusive activities.
2024/2/28 -Check the IP configuration and hostname. Check the timezone. Check your Firewall settings. Configure Proxmox Mail Gateway to forward the incoming SMTP traffic ...
2024/5/14 -host mail.imperiaforum.com[195.3.142.42] said: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [5.188.107.46] (in reply to RCPT TO ...
2024/1/12 -450 4.7.1 Client host rejected: cannot find your hostname 错误原因：对方 ... 如果您是个人邮箱用户，请向您的电子邮件服务提供商反馈退信情况。 450 4.7.1 Helo command ...
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...