Usually developers use SMTP connection to send emails carelessly. In the talk, I describe crucial problems in sending email, about the protocols and infrastructure problems.

13. …

14. Server
Client
Server
Client
Server
Client
Server
Client
Client
Server
Client
Server
Server
Client
Server

15. Client
Server

16. Client
Server

21. Body
Headers

23. FROM
TO
CC
SUBJECT
RECEIVED

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