SMTP
The protocol that moves email between servers — the sending half of email's plumbing (IMAP/POP handle reading).
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The definition
The protocol that moves email between servers — the sending half of email's plumbing (IMAP/POP handle reading).
Why it matters to an owner
Owner-relevant mostly at setup: 'SMTP credentials' is what your website's contact form needs to send mail reliably instead of pretending to.
Keep going
MX RecordThe DNS record declaring which servers receive email for your domain. No MX, no inbound ma…Email Service Provider (ESP)The platform that sends your marketing email — Mailchimp, Klaviyo, ConvertKit, and kin. Ha…DeliverabilityWhether your email actually reaches inboxes rather than spam folders or silent rejection. …
This is the work. Want it done?
Everything here is free to use yourself — that’s the point. If you’d rather a senior marketer just handle it, in your accounts and your name: 20-minute call, no pitch deck.