On 31/12/22 19:43, Matthias Andree wrote:
Am 31.12.22 um 05:29 schrieb Sean Hennessey:I'm doing some testing and am trying to figure out a way to set up postfix so that it won't ever send a DSN.What is the use case for that other than bulk sending of unsolicited e-mail? Normally operators will want to know what addresses to remove from the distribution lists, even for newsletters.
I'm suspecting a badly configured server which has become a backscatter source.
Peter
