On Tue, 11 Jan 2022 10:48:53 +0100 Charlotte 🦝 Delenk <lo...@chir.rs> wrote:
> Hi, > On 11.01.22 10:40, Enrico Morelli wrote: > > Dear all, > > > > sending mail to some external users I receive this error: > > > > Recipient address rejected: Message rejected due to: domain owner > > discourages use of this host. (in reply to RCPT TO command)) > > > > What means? Is the problem related to my postfix mail server? > > > > > > Sounds like an SPF problem. > > You may want to add an “mx” to your spf record, since > “genio.cerm.unifi.it” and its IP Address 150.217.146.39 does not > appear to be in your nested SPF record > Thanks, is that something the DNS manager has to do or me on postfix? -- ----------------------------------------------------------- Enrico Morelli System Administrator | Programmer | Web Developer CERM - Polo Scientifico via Sacconi, 6 - 50019 Sesto Fiorentino (FI) - ITALY ------------------------------------------------------------
