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Mail bounced (user unknow in virtual mailbox table) - Support - NethServer Community
![12.0] Recipient address rejected: User unknown in virtual mailbox table · Issue #51704 · odoo/odoo · GitHub](https://avatars.githubusercontent.com/u/38140509?s=80&v=4 "12.0] Recipient address rejected: User unknown in virtual mailbox table · Issue #51704 · odoo/odoo · GitHub")
12.0] Recipient address rejected: User unknown in virtual mailbox table · Issue #51704 · odoo/odoo · GitHub
User unknown in virtual mailbox table · Issue #5 · YunoHost-Apps/mailman_ynh · GitHub
550 5.1.0 <*****@******.pl>: Sender address rejected: User unknown in virtual mailbox table - Google Workspace Admin Community
Recipient address rejected: User unknown in virtual mailbox table
SMTP Postfix MTA rejects mails · Issue #26 · kamax-matrix/matrix-appservice-email · GitHub
Erreur SMTP 550 5.1.1 : Recipient address rejected : User unknown in virtual mailbox table - Support apps - YunoHost Forum
E-Mails werden nicht zugestellt: User unknown in virtual mailbox table - Wissensdatenbank - Linevast Hosting
![Understanding Email Bounces: The Ultimate Guide [2019] - rackAID](https://www.rackaid.com/wp-content/uploads/2019/08/gmail-bounce-600x368.png "Understanding Email Bounces: The Ultimate Guide [2019] - rackAID")
Understanding Email Bounces: The Ultimate Guide [2019] - rackAID
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Fix email delivery issues for error code 550 5.1.1 through 5.1.20 in Exchange Online | Microsoft Learn
![Understanding Email Bounces: The Ultimate Guide [2019] - rackAID](https://www.rackaid.com/wp-content/uploads/2019/08/windows-10-mail-bounce.png "Understanding Email Bounces: The Ultimate Guide [2019] - rackAID")
Understanding Email Bounces: The Ultimate Guide [2019] - rackAID
Recipient address rejected: User unknown in virtual mailbox table - Gmail Community
Rejecting Unknown Local Recipients with Postfix - Tran Nghi's Site
How to Fix the 550 5.1.1 error - Expert-Advice.Org
How to check if an email address exists without sending an email? by Web Development
![postfix[error] :Sender address rejected: User unknown in virtual mailbox table (2 Solutions!!) - YouTube](https://i.ytimg.com/vi/IyCUfMUbJYU/maxresdefault.jpg "postfix[error] :Sender address rejected: User unknown in virtual mailbox table (2 Solutions!!) - YouTube")
postfix[error] :Sender address rejected: User unknown in virtual mailbox table (2 Solutions!!) - YouTube
