On Sat, Dec 16, 2023, Thomas Walter via mailop wrote: > 2. Our server bounces with 550 5.1.1 User doesn't exist.
Does your server generate a DSN? If the "User doesn't exist" then it seems you should be able to determine that fact when RCPT is given -- or is this just a bogus reply? -- Please don't Cc: me, use only the list for replies, even if the mailing list software screws up the Reply-To header. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
