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relay access denied

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    Resolved Mailman / can not send email

    Hi all, We have a project that forces us to keep Mailman on a hosting. Everything worked fine under Centos (Postfix). We have migrated on AlmaLinux 8.7 and activate Mailman. All is ok. We only have the following problem: when a message must be sent to Mailman subscribers, they are all blocked...
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    Question Relay access denied on one domain only

    Hi, guys! I am hosting nearly 20 domains on a Plesk server. All domains can send and receive e-mails. Except of one, which formerly worked, which cant receive any e-mail anymore. Sending e-mails is working. Mxtoolbox sais all is fine and plesk repair mail did nothing (found zero warnings and...
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