https://mailfully.com/blog Notes from the Mailfully team on deliverability, transactional email APIs, and the unglamorous plumbing that keeps mail out of the spam folder. en-us https://mailfully.com/blog/where-does-your-email-api-store-your-data https://mailfully.com/blog/where-does-your-email-api-store-your-data Thu, 29 Oct 2026 20:48:50 GMT Where does your email API store data? Ask about sending, retention, received mail, subprocessors and deletion, with Mailfully's answers. https://mailfully.com/blog/spf-dkim-dmarc-setup https://mailfully.com/blog/spf-dkim-dmarc-setup Thu, 01 Oct 2026 13:58:29 GMT Set up SPF, DKIM, and DMARC for your sending domain, check a real message, and fix common DNS and alignment mistakes. https://mailfully.com/blog/digitalocean-blocks-smtp-ports-ses-2587 https://mailfully.com/blog/digitalocean-blocks-smtp-ports-ses-2587 Thu, 17 Sep 2026 20:24:05 GMT Our Ghost install on a DigitalOcean droplet couldn't send its own invites, and weeks with support went nowhere. Some providers also answer on a high port like 2587, and one number in the config gets a droplet sending again. https://mailfully.com/blog/send-transactional-mail-from-a-subdomain https://mailfully.com/blog/send-transactional-mail-from-a-subdomain Mon, 14 Sep 2026 15:03:47 GMT SPF doesn't cascade to subdomains, and every name carries exactly one record. Put those together and sending from your root domain leaves you one DNS edit away from breaking every email your company sends.