Overall it is a 2 step process. First is the creation of 2 CNAME records and second is Enabling DKIM in office 365 which will create 2 DKIM TXT record. The key here is learning how to create Cname record. I am sharing the following steps to enable DKIM record in Office 365.
If a published record contains multiple strings, then the record MUST be treated as if those strings are concatenated together without adding spaces. ( RFC 7208 section 3.3 ) Below is an example of a TXT record for DKIM with a character string longer than the 255-octet maximum (note the use of double quotes). If supported, it might be easier for you to publish a CNAME record for that selector in your DNS pointing to theirs. The bulk email provider will create in their DNS a DKIM record like selector3._domainkey.theirdomain.com with the usual contents.
Enabling SPF and DKIM Record in cPanel. Nowadays, the majority of spam emails have fake data in the ‘from’ field. Spammers and fraudsters use special tools to send their mail on behalf of the real owner of their e-mail address.
How to configure your DKIM & SPF step by step One of the most important practices to improve the deliverability of your Transactional Emails is the DKIM & SPF Configuration . This way your business domain or service will be the one who include the signature in the email sendings and this will improve your email reputation What is DKIM record and how to create it? 12/20/2019 1206 51917. DESCRIPTION: What does DKIM do? DKIM is a process to validate sending domain names associated to email messages through cryptographic authentication. Apr 15, 2014 · SPF, DKIM and DMARC brief explanation and best practices. By Emanuele “Lele” Calò April 15, 2014 Spam mail messages have been a plague since the Internet became popular and they kept growing more and more as the number of devices and people connected grew. after adding SPF record, you don't have to do anything, but, SPF record it self is not 100% good solution. There are ways to go around it. Best thing is to enable DKIM after you add SPF. IMSVA does support DKIM, so I would suggest that you configure it. That should help a lot when in comes to spoofing. Publishing DKIM CNAME Records to your DNS Using the output from step 1, we’re ready to create a CNAME record for your domain. Log into your DNS Provider (Note: We use Cloudflare in this example, but you may be using GoDaddy, Microsoft, or other providers)