Apex Developer Guide

Apex Developer Guide
Getting Started with Apex
Writing Apex
Running Apex
Debugging, Testing, and Deploying Apex
Apex Language Reference
Apex DML Operations
ApexPages Namespace
AppLauncher Namespace
Approval Namespace
Auth Namespace
Cache Namespace
Canvas Namespace
ChatterAnswers Namespace
CommercePayments Namespace
ConnectApi Namespace
Database Namespace
Datacloud Namespace
DataSource Namespace
Dom Namespace
EventBus Namespace
Flow Namespace
KbManagement Namespace
LxScheduler Namespace
Messaging Namespace
AttachmentRetrievalOption Enum
Email Class (Base Email Methods)
EmailFileAttachment Class
InboundEmail Class
InboundEmail.BinaryAttachment Class
InboundEmail.TextAttachment Class
InboundEmailResult Class
InboundEnvelope Class
MassEmailMessage Class
InboundEmail.Header Class
PushNotification Class
PushNotificationPayload Class
CustomNotification Class
RenderEmailTemplateBodyResult Class
RenderEmailTemplateError Class
SendEmailError Class
SendEmailResult Class
SingleEmailMessage Methods
Metadata Namespace
Process Namespace
QuickAction Namespace
Reports Namespace
Schema Namespace
Search Namespace
Sfc Namespace
Site Namespace
Support Namespace
System Namespace
TerritoryMgmt Namespace
TxnSecurity Namespace
UserProvisioning Namespace
VisualEditor Namespace
wave Namespace
Appendices
Glossary
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Messaging Namespace

The Messaging namespace provides classes and methods for Salesforce outbound and inbound email functionality.

The following are the classes in the Messaging namespace.