On 2/3/25 3:41 AM, Doug via mailop wrote:
What is The Way™, if any, to deal with backscatter?

Take a look at milter-null from SirWumpus / Anthony Howe / SnertSoft:

Link - SirWumpus / milter-null
 - https://github.com/SirWumpus/milter-null

milter-null works by adding a header to outgoing messages and then subsequently looking for that header in inbound well-formed DSNs. If the inbound DSN doesn't have the header, it's considered bogus and treated as such; rejected or maybe quarantined based on configuration.



--
Grant. . . .
unix || die

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