module Amber::Mailer::MimeBuilder

Overview

Builds RFC 2045-compliant MIME messages from Email structs.

Handles the generation of multipart email messages including:

• Single-part text or HTML messages
• Multipart/alternative messages with both text and HTML
• Multipart/mixed messages with file attachments
• Base64 encoding of binary attachments
• Proper MIME boundary generation using secure random values

This module is used internally by Email#to_mime and should not typically be called directly.

Defined in:

amber/mailer/mime.cr

Constant Summary

CRLF = "\r\n"

Class Method Summary

• .build(email : Email) : String

  Builds a complete MIME message string from an Email struct.

• .generate_boundary : String

  Generates a unique MIME boundary string using cryptographically secure random bytes.

Class Method Detail