Author: Saul

ActiveCampaign bills by contacts, not by emails sent. This guide covers the four plans, price by list size, send limits, seat caps and what happens when your list outgrows its tier, with figures checked in November 2026.

Constant Contact vs Mailchimp compared on same-day prices at 500 to 25,000 contacts, automation, API access, support and deliverability, with a clear pick for each kind of team.

Klaviyo bills on active profiles, not on emails sent. Here are its Free, Email, Marketing and Custom plans, a price table by profile count, how SMS is charged, and a worked cost example, checked in November 2026.

What Kit (formerly ConvertKit) charges as of November 2026: the free plan up to 10,000 subscribers, Creator and Pro prices by list size, how subscribers are counted, and the fees on sales.

What Mailchimp charges as of November 2026: four marketing plans priced by contact tier, how contacts and sends are counted, what overages cost you, and how Transactional is billed.

A dark logo on a transparent background vanishes when a client turns the page dark. Here is what Outlook, Gmail and Apple Mail do to a signature, and the logo fixes that hold up in all of them.

GetResponse bills by list size and gates automation, funnels and webinars behind higher plans. Six alternatives compared by billing unit and price, checked October 2026.

What Mailjet charges in October 2026: the free plan’s real limits, the four self-service plans, overage rates per 1,000 emails, and a worked cost example from 20,000 to 100,000 emails a month.

An inbox placement test sends a real message to seed mailboxes at several providers and shows whether each copy hit the inbox, a tab, spam, or nowhere. Here is how to run one and what the results can and cannot tell you.

Where to add a DKIM record in the Cloudflare dashboard, which record type your provider needs, and the proxy and hostname mistakes that make verification fail. SPF and DMARC included.

The HubSpot transactional email add-on costs $600 per month and requires Marketing Hub Professional or Enterprise. Here is what it includes, how its two APIs work, and when a dedicated provider is the better call.

Customer.io bills on profiles, not emails. Here are its Essentials, Premium and Enterprise plans, how a profile is counted, where the bill jumps, and a worked cost example, checked on October 8, 2026.