Architecture

SMTP

SMTP workflow of incoming mails

SMTP workflow of incoming mails

SMTP workflow of outgoing mails

SMTP workflow of outgoing mails

RPC & EWS workflow

RPC & EWS workflow

RPC & EWS workflow

Exchange ActiveSync (EAS)

Exchange ActiveSync (EAS) workflow

Exchange ActiveSync (EAS) workflow

POP3

IMAP workflow

IMAP workflow

IMAP

POP3 workflow

POP3 workflow

Authentication

Authentication workflow

Authentication workflow