envelope from
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PMG - Broken forwarding (No SRS). How to filter when Envelope Sender is overwritten?
Hi, I have a problem with a specific mail flow. My provider (home.pl) forwards emails to my PMG, but it doesn't support SRS. Instead, it overwrites the Envelope Sender (MAIL FROM) and X-Sieve-Redirected-From with the recipient's address. Because of this, PMG sees every email as "internal"...- a.swiderski
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- envelope from filtering forwarding header header_from_different_domains
- Replies: 1
- Forum: Mail Gateway: Installation and configuration
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SPF verification when sender is Empty
Hey all! I've been looking around the forum and searched quite a bit myself, but can't seem to find someone with a similar issue. We're experiencing emails with empty "senders" that do not show any senders in the tracking center. When receiving the email and inspecting it in the client, there...- MelonSorbet
- Thread
- empty sender envelope from envelope-from impersonating spf spf check not working spf fail to quarantine
- Replies: 0
- Forum: Mail Gateway: Installation and configuration
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improve header manipulation detection
Hi, we are currently running proxmox mail gateway 6.4-4 and an exchange server 2019 fully patched. the patch for the hafnium exploit was installed as soon as possible. the proxylogon script for exchange did not find any vulnerabilities we recently received an email from an external sender that...- logol
- Thread
- envelope from envelope-from from header_from_different_domains
- Replies: 2
- Forum: Mail Gateway: Installation and configuration