Does A2 Hosting Support Sender Policy Framework (SPF)?

Yes, we support SPF.

You can enable SPF in cPanel. Please see Related Articles below for more information.

Additionally, A2 Hosting can add a custom SPF record to your DNS zone. If you need further assistance, please open a support ticket with our Guru Crew on the Customer Portal at https://my.a2hosting.com. Make sure that you specify in the ticket the exact lines that you want to add to your zone file.