On Fri, 1 Feb 2019 15:50:36 +0100 Francesc Peñalvez <naz...@almogavers.net> wrote:
> you can use this Google APP > https://postmaster.google.com/managedomains also you can use DKIM and > or SPF verification > Thanks, I'll ask to our network provider to set SPF record in our DNS servers. > *********************************************************************************************** > > El 01/02/2019 a las 15:41, Enrico Morelli escribió: > > Dear all, > > > > I having some problem forwarding some emails to Gmail addresses. > > Sometime the emails are bounced cause: > > > > This message does not have authentication information or fails to > > pass 550-5.7.1 authentication checks. To best protect our users > > from spam, the 550-5.7.1 message has been blocked. Please visit > > 550-5.7.1 > > https://support.google.com/mail/answer/81126#authentication for > > more 550 5.7.1 information. k11si3359248wrp.39 - gsmtp (in reply to > > end of DATA command)) > > > > I'm sure that these emails aren't spam. > > > > Someone can explain me why? Is there some misconfiguration in my > > mail server? > > > > Thanks > > > -- ----------------------------------------------------------- Enrico Morelli System Administrator | Programmer | Web Developer CERM - Polo Scientifico via Sacconi, 6 - 50019 Sesto Fiorentino (FI) - ITALY ------------------------------------------------------------
