Hi Gilles, Problem solved - it was my routes + pf that were the problem.
Sorry for the noise and thank you for giving me confidence in that relay src works. BR, Dimitrios On Tue, Aug 13, 2019 at 08:35:07AM +0000, gil...@poolp.org wrote: > You need to provide the full configuration otherwise we can't troubleshoot. > > Given that I use the relay src feature on a daily basis and that my mail infrastructure relies on it, > I would venture to say the problem is with your setup.