Look at our reporting tools to find out which texts popped and which didn’t, then use essential knowledge points to optimize potential messaging. Outlook and Outlook.com could possibly detect your account's mailbox configurations quickly, but for other non-Microsoft accounts, you might require to contact your email company for their configurations. https://www.upwork.com/services/product/development-it-email-deliverability-inbox-reduce-spam-dns-issues-fixed-dkim-spf-dmarc-1378055073774727168?ref=project_share&tier=0