Mta

Configurações de um MTA em 2024.

registro SPF

registro txt

@

conteúdo

v=spf1 mx a:mail.gcn.sh ip4:192.99.200.96 -all

registro DMARC

registro txt

_dmarc  

conteúdo

v=DMARC1; p=quarantine; rua=mailto:dmarc@gutocarvalho.net; adkim=s; aspf=s;

registro SMTP-TLS

registro txt

_smtp._tls

conteúdo

v=TLSRPTv1; rua=mailto:smtptls@gutocarvalho.net

registro MTA-TLS

registro txt

_mta-sts

conteúdo

v=STSv1; id=168973349015Z;

refs

SPF

• https://en.wikipedia.org/wiki/Sender_Policy_Framework

DMARC

• https://mxtoolbox.com/dmarc/details/what-is-dmarc
• https://en.wikipedia.org/wiki/DMARC

MTA-STS

• https://easydmarc.com/blog/what-is-mta-sts-and-why-do-you-need-it/
• https://datatracker.ietf.org/doc/html/rfc8461