an insight into sesromania.amazon.com/academy/pdf/day3_1.pdfdeveloping on top of aws an insight into...

Developing on top of AWS

An insight into SES

Iulian Tanasescu Vlad

Simple Email Service

a brief context

ARPANET - 1971

RFC 561 Standardizing Mail Headers

RFC 680 Transmission Protocol

RFC 724 Official Standard for the format of ARPA Network Messages

RFC 733 Standard for the format of ARPA Network Text Messages

working system - 1977

email message format RFC 5322

MIME content

RFC 2045 - 2049

SMTP

RFC 5321

extension for i18n

RFC 6531

extension for DSN

RFC 3461

extension for feedback

RFC 5965

DKIM Signature

RFC 6376

Client Server Establish connection 220 EHLO <hostname> 250 MAIL FROM: <sender> 250 RCPT TO: <dest1> 250 RCPT TO: <dest2> 250 DATA 354 From: <from> To: <dest1> Subject: Example This is an example . 250

high rps

low latency

upto 10MB emails

high availability

impersonation

shared IP space

deliverability

0.10 USD / 1000 emails

2000 emails / day free from EC2

check sending limits

check the sender

check blacklist, formatting, headers and MIME types

persist

scan

deliver

meter

handle feedback

concurrency

welcome to Future

public Boolean isUserAllowed(…)

public Future<Boolean> isUserAllowed(…)

asynchronous

DynamoDB

tables

items

CreateTable

PutItem

GetItem

UpdateItem

DeleteItem

Query

Scan

Simple Storage Service

a.k.a S3

buckets

objects

key

value

version ID

metadata

access control

CreateBucket

ListBucket

PutObject

GetObject

DeleteObject

Simple Queue Service

CreateQueue

SendMessage

ReceiveMessage

DeleteMessage

putting it all together

SendEmail

Source

Destination

Message

(Return-Path)

(ReplyToAddresses)

SendRawEmail

RawMessage

(Source)

(Destinations)

SMTP interface

+ control APIs http://docs.aws.amazon.com/ses/latest/APIReference/API_Operations.html

https://console.aws.amazon.com/ses/

http://status.aws.amazon.com

Q&A