1- Head over to Namecheap and log in to your account
2- Navigate to Domain List and select the domain you’re going to authenticate
3- Select Advanced DNS to access the DNS page
How to add the SPF record
1- Under the Mail Settings section, edit the current TXT record for SPF
2- In the Host box, enter: @
3- In the TXT Value box, enter: v=spf1 include:spf.useinbox.net ~all
For an existing SPF record, simply add include:_spf.useinbox.net in the same record to merge them, since there cannot be more than 1 SPF record in a DNS zone.
5- Click save.
How to add the DKIM record
1- Click Add new record under the Host Records section
2- Select TXT Record as the Type
3- In the Host field, enter genel._domainkey (without your domain)
4- In the Value field, paste the unique DKIM value that is given to you in your INBOXNotify account
5- Click Add and select TXT as the Type again.
6- In the Host box, paste the Name field ._domainkey (don’t include your domain)
7- In the TXT Value box, paste the Value text that is given to you in your INBOXNotify account
8- Click Save