如何解决或解释以下错误?我不确定是否应该在客户端(发件人或域的发送帐户)上执行任何操作或向远程邮政局长寻求帮助。
<[email protected]> (expanded from <[email protected]>): host
smtpz4.laposte.net[160.92.124.66] said: 521 5.7.1 Service unavailable;
client 80.80.228.49 blocked using Return-Path. Les emails envoyes vers la
messagerie Laposte.net ont ete bloques par nos services. Afin de
regulariser votre situation, nous vous invitons a cliquer sur le lien
ci-dessous et a suivre la procedure. The emails sent to the mail host
Laposte.net were blocked by our services. To regularize your situation
please click on the link below and follow the procedure
https://senderscore.org/rtbl/. LPN007_102 (in reply to RCPT TO command)