Open Bug 538043 Opened 12 years ago Updated 9 years ago

Re-investigate the outlook compatibility, can we add a non-text/calendar part?


(Calendar :: E-mail based Scheduling (iTIP/iMIP), defect)

Windows XP
Not set


(Not tracked)


(Reporter: lmb, Unassigned)


User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20091201 Firefox/3.5.6 (.NET CLR 2.0.50727)
Build Identifier: Lightning 1.0b2pre

The current e-mail invite for events created from Lightning consists of a simple e-mail with a content type of text/calendar.  This is fine for clients that are ICS-aware, but it's really obnoxious for clients who are not using a calendar-aware e-mail application.

Contrast with Zimbra's Web client invite - a multipart/alternative message containing a text/plain part, a text/html part (which is formatted somewhat like Thunderbird's display of ICS invites), and a text/calendar part.

Reproducible: Always

Steps to Reproduce:
1.  Create an event inviting a user that isn't calendar-equipped
2.  View invite on recipient's e-mail.
Actual Results:  
Results vary by client.  Some display raw ICS data stream.

Expected Results:  
With alternative display methods, a more suitable display would have been chosen by the e-mail client.
I think this was done for compatibility reasons with i.e some versions of outlook. Some Calendar Clients do not show invitations if the email doesn't only consist of a text/calendar part.

I think we should reinvestigate compatibility though.
Ever confirmed: true
similar bug 646779
Summary: Improve e-mail invitations for non-ICS recipients → Re-investigate the outlook compatibility, can we add a non-text/calendar part?
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