On 01/23/2015 04:16 AM, Noel Jones wrote: > Ugly workaround until you fix your mail tool: > use smtp_header_checks to mangle broken To: and CC: headers.
If you can get away with it a better solution may be to reject the mailings based on the headers being too long from postfix rather than attempting to forward it on and then having it rejected from o365. This might help to force the mail list admins to get their act together. Peter
