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    How to disable returning email

    Hello, How to disable return email? For spam quarantine area, I can see many email address that doesn't exist on email server and our company IP address always blocks by RBL. I don't know why, maybe we got too many spam, and return too many email to sender.
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    How to let user block email domain or email address by themselves?

    Hello: Our user's outlook gets spam email from email server, I think proxmox didn't block that email, how to add this email domain or email address on proxmox mail gateway? If the user doesn't have an account to login proxmox?
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    [SOLVED] How to let users login to the system to retrieve spam

    How to create account for general user? User can get daily spam mail report from proxmox system, and they can click the link to open proxmox login page, but I don't help them create accounts in proxmox system. They hope they can retrieve spam mail by themselves from proxmox. I don't know how...
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    [SOLVED] How to sync zimbra account

    I am using zimbra to be our mail server, I can find many spam mails in spam quarantine area. From E-mail field, I can choose an email address to see mail content. I can also find many email accounts that don't exist on zimbra server. My question is how to sync mail account from zimbra? Our...
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    [SOLVED] How to configure SMTP authentication/submission?

    My email server is Zimbra. I follow the admin guide to configure Proxmox MG 6.2, and email can send from outside to Proxmox MG and then pass to zimbra. When I use Microsoft outlook outside my company, the original mail setting needs to use SMTP authentication when sending email to other...

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