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Any help will be much appreciated.<br />
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I need to configure postfix to accept ALL incoming mail, regardless of what host (@domain) it is sent to. <br />
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I don't want to relay it. I just want to accept ALL of the mail and save it (yes, even the junk spam).<br />
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I will not know ahead of time what the domain will be, so adding the domain(s) to mydomain in &nbsp;main.cf is not an option.<br />
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Is there any way to configure postfix to do this? Or is there any other SMTP server I could use to do this?
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Any help will be much appreciated.



I need to configure postfix to accept ALL incoming mail, regardless of what host (@domain) it is sent to. 

I don't want to relay it. I just want to accept ALL of the mail and save it (yes, even the junk spam).



I will not know ahead of time what the domain will be, so adding the domain(s) to mydomain in  main.cf is not an option.



Is there any way to configure postfix to do this? Or is there any other SMTP server I could use to do this?

Configure Postfix to accept and save all incoming mail, regardless of host.

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.