feat(email): use smtp protocol #1889

Job	Run time
test (activate_totp)	1m 20s
test (check_email_deliverability)	1m 7s
test (delete_account)	1m 16s
test (delete_totp)	1m 39s
test (join_and_moderation)	1m 17s
test (join_collectivite_territoriale_official_contact_domain)	1m 19s
test (join_must_confirm)	1m 15s
test (join_org_with_trackdechets_domain)	1m 9s
test (join_org_with_verified_domain)	1m 20s
test (join_with_code_sent_to_official_contact_email)	1m 9s
test (join_with_code_sent_to_official_educ_nat_contact_email)	1m 20s
test (join_with_official_contact_email)	1m 7s
test (reauthenticate_on_admin_page)	1m 20s
test (redirect_after_session_expiration)	1m 20s
test (reset_password)	1m 18s
test (set_info_after_account_provisioning)	1m 10s
test (signin_from_legacy_client)	1m 8s
test (signin_from_proconnect_federation_client)	1m 16s
test (signin_from_standard_client)	1m 23s
test (signin_with_email_verification_renewal)	1m 24s
test (signin_with_magic_link)	1m 27s
test (signin_with_totp)	1m 32s
test (signup_entreprise_unipersonnelle)	1m 23s
test (update_personal_information)	1m 18s
test (update_totp_application)	1m 23s
	32m 40s

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