gov.uk preporuka - Protect domains that do not send email
#1

Zanimljiva ideja i preporuka od britanske Vlade.

Ceo članak se nalazi na sledećem linku: https://www.gov.uk/guidance/protect-doma...send-email

Quote:Create an SPF record:
type: TXT
host or name: @ (if required)
value:
Code:
v=spf1 -all
If you check your record using nslookup or dig you should get a result like this:
Code:
yourdomain.gov.uk. TXT “v=spf1 -all”

Code:
@ TXT “v=spf1 -all”

Code:
yoursubdomain.yourdomain.gov.uk. TXT “v=spf1 -all”
Create a DMARC record:
type: TXT
host or name:
Code:
_dmarc
value:
Code:
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:[email protected],mailto:[email protected]
Replace
with the email address that you want reports to be sent to.
If you check your record using nslookup or dig you should get a result like this:
Code:
_dmarc TXT “v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:[email protected],mailto:[email protected]”
Create an empty DKIM record:
type: TXT
host or name:
Code:
*._domainkey
value:
Code:
v=DKIM1; p=
As this is a wildcard record you cannot check it other than to look in your DNS host admin panel.
Revoke all existing DKIM selectors in both TXT and CNAME records.
This record will make email servers more likely to reject email from your domain.
Create a null MX record:
type: MX
host or name: leave this field empty
priority: 0
value:
Code:
.
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