Authenticate email with DKIM and SPF

Avg Bid (GBP)
Project Budget (GBP)
£20 - £250

Project Description:
Our website has a dedicated linux server. Recently emails from the server have started going straight to the spam folder of some of our customers. We do not send spam emails and so I believe this is because we need to authenticate our emails.

Having done a bit of research I can see that there are two methods for doing this, DKIM and SPF. I would like someone to use both of these methods to authenticate our emails.

Skills required:
Email Marketing, Linux, System Admin
About the employer:
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