Fix newsletter

Hello i want to send a newsletter. when i do a mail tester, i see some error: -0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid Deze negatieve score wordt positief zodra de handtekening is gevalideerd. Zie direct hieronder. 0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Geweldig! Je handtekening is geldig 0.1 DKIM_VALID_EF DKIM_VALID_EF -0.249 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different -0.001 HTML_FONT_LOW_CONTRAST HTML font color similar to background -0.001 HTML_MESSAGE HTML included in message Geen zorgen, dat is verwacht als je HTML-e-mails verstuurt 0.001 SPF_PASS SPF: sender matches SPF record Geweldig! Je SPF is geldig -0.01 T_SPF_HELO_TEMPERROR SPF: test of HELO record failed (temperror) temperror also see this: Before using DMARC, you should make sure the domains used in the Envelope From (e.g., Return-Path or Mail-From), the "Friendly" From (i.e., "Header" From) and the d=domain in the DKIM-Signature are the same DMARC DNS entry found for the domain [login to view URL]: "v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400" Verification details: [login to view URL]; dkim=pass (1024-bit key; unprotected) header.d=[login to view URL] header.i=@[login to view URL] header.b=YvCKBNQ4; dkim-atps=neutral [login to view URL]; dmarc=none header.from=[login to view URL] [login to view URL]; dkim=pass (1024-bit key; unprotected) header.d=[login to view URL] header.i=@[login to view URL] header.b=YvCKBNQ4; dkim-atps=neutral From Domain: [login to view URL] DKIM Domain: [login to view URL] can u fix this?