Now that emails will be sent and received from my newly setup MXroute emails, are there any files I have to delete since I was previously sending and receiving emails from the email I setup in A2 hosting (where my website is hosted at)? i.e Is there a need to delete the default DKIM and MX records that were setup when I was sending and receiving emails from my emails by A2 hosting?
And do I need to change TTL from 14400 to 3600 since that was the number given for my DKIM setup?
In addition, I previously setup my autoresponders using the details provided by A2 hosting. I can see SRV records with the following:
Again, do I need to change anything now that I’m using MXroute to send and receive emails?