CECooper Emailincooperemail.hashnode.dev·2d ago · 10 min readHow an agent replies in a Cooper Email threadCooper Email keeps related mail on one thread. Every stored message has a thread id. A later message in the same inbox joins that thread when its parent matches an existing message id or a Message-ID 00
SSunilinsunilsandhu.hashnode.dev·3d ago · 6 min readSPF, DKIM and DMARC Explained for DevelopersYou can write perfect password-reset HTML, pick the nicest email API, and still land in spam because you never published a TXT record. SPF, DKIM, and DMARC are the unglamorous DNS work that makes tran00
RWRandi Winsalesforcegirl.hashnode.dev·4d ago · 6 min read"Add sign-in" is not one taskDwelLogs has accounts now. You sign in with a code from your email, your log follows you from phone to laptop, and it keeps working at the top of a field where the signal gives up. On a roadmap, that'00
RRReetain Rainainfreecodecamp.org·3d ago · 11 min readHow AI Is Changing Email Deliverability: A Technical Guide to Sender Reputation and Inbox Placement Sending an email doesn't always mean it will reach the recipient's inbox. Sometimes, an email is sent successfully by an application but ends up in the spam folder instead. This can be a real problem 00
CECooper Emailincooperemail.hashnode.dev·5d ago · 10 min readHow agents check usage and upgrade Cooper Email with the billing APIHow agents check usage and upgrade Cooper Email with the billing API An agent that hits a plan cap should read the account and hand a person a Stripe Checkout URL. It should not send them through a da01C
CECooper Emailincooperemail.hashnode.dev·5d ago · 9 min readHow agents trust inbound senders with Cooper Email allowlists and DMARCHow agents trust inbound senders with Cooper Email allowlists and DMARC Cooper Email stores every inbound message. It creates a task only for a verified owner or an allowlisted sender, and only when s00
CECooper Emailincooperemail.hashnode.dev·5d ago · 8 min readCooper Email vs AgentMail, Resend, and Gmail for agentsCooper Email vs AgentMail, Resend, and Gmail for agents An autonomous agent that books a meeting, files a receipt, or answers a customer has to pick a mail stack before the first message goes out. Fou00
CECooper Emailincooperemail.hashnode.dev·5d ago · 9 min readHow agents secure Cooper Email webhooks with custom headers and retriesHow agents secure Cooper Email webhooks with custom headers and retries A public URL is only the start of webhook operations. The handler still has to know the caller, ignore events from the wrong inb00
CECooper Emailincooperemail.hashnode.dev·5d ago · 9 min readHow agents poll Cooper Email for new messages without webhooksHow agents poll Cooper Email for new messages without webhooks A signed webhook is the right wake-up when your process has a public HTTPS URL. A laptop script, a notebook, a CI job, a sandbox, or a ru00
CECooper Emailincooperemail.hashnode.dev·5d ago · 9 min readHow agents create an email inbox with one POST to Cooper EmailHow agents create an email inbox with one POST to Cooper Email An agent that needs a mailbox usually stops at the wrong step. A human opens a dashboard, picks a password, confirms an address, and past00
