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    Questions about SPF

    Dear, good afternoon! okay? I use Option, Configuration>Mail Proxy>Options>Use SPF (Yes). I noticed that it validates the SPF IP address of the domain specified in the "Return-Path:" field. For this reason he ended up receiving some fake emails. I would like to validate the domain SPF of the...
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    Receiving messages in copy

    A customer recently registered on proxmox started to report strange behavior. When receiving some e-mails from some customers with more than one e-mail in copy, only some users receive it. I’m forwarding the header of an email sent to multiple users From: <paulo@XXXXXXX.com.br> To...
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    SPF rule

    Guys, good afternoon! All right? I would like to use the PROXMOX email gateway as AntiSpam for a Microsoft Exchange server, however I would like to create some rules that I am applying and it is not working. For example: In "Mail Proxy" "Options" I deactivated the option "Use SPF" because I...