Email Format Best Practices: HTML, Plain Text, and MIME Structure
How email clients render HTML, why plain text still matters, the role of MIME multipart, and practical guidelines for formatting emails that arrive and render correctly.
Bulk Email vs. Single Send: When to Use Each and How They Differ Technically
Bulk email and single transactional sends have different infrastructure needs, deliverability profiles, and best practices. Here's how to use each correctly.