Wij gebruiken verschillende emailadressen van onze domeinnaam @masalo.net, gehost bij proximus.
Sinds enige tijd worden mails naar gmail adressen niet meer doorgelaten en krijgen we onderstaande foutmelding.
Hoe kunnen we dat oplossen ?
Reporting-MTA: dns; mailsec104.isp.belgacom.be
Final-Recipient: rfc822;sam.vanneuville@gmail.com
Action: failed
Status: 5.0.0 (permanent failure)
Remote-MTA: dns; [74.125.206.26]
Diagnostic-Code: smtp; 5.3.0 - Other mail system problem 550-'5.7.26 This mail is unauthenticated, which poses a security risk to the\n5.7.26 sender and Gmail users, and has been blocked. The sender must\n5.7.26 authenticate with at least one of SPF or DKIM. For this message,\n5.7.26 DKIM checks did not pass and SPF check for [masalo.net] did not pass\n5.7.26 with ip: [195.238.20.100]. The sender should visit\n5.7.26 https://support.google.com/mail/answer/81126#authentication for\n5.7.26 instructions on setting up authentication. w3-20020a5d4b43000000b003143eb4789fsi3711462wrs.794 - gsmtp' (delivery attempts: 0)
Met vriendelijke groeten,
Bert