https://bugs.kde.org/show_bug.cgi?id=359632
Bug ID: 359632
Summary: Trojita does not recognize address list group syntax
Product: trojita
Version: git
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Core
Assignee: [email protected]
Reporter: [email protected]
Address list group syntax, as described in RFC 5322
(https://tools.ietf.org/html/rfc5322#section-3.4) is of the form "group1:
adress1, address2;". It is seldom used, except to indicate undisclosed
recipients, i.e., as "undisclosed-recipients:;". Its usefulness in this latter
case is to omit addresses in the header. This use may be expanded in the
future, see RFC 6854 (https://tools.ietf.org/html/rfc6854).
IMAP servers deal with group syntax in the envelope as follows (RFC 3501 Page
76, https://tools.ietf.org/html/rfc3501#section-7.4.2):
“[RFC-2822] group syntax is indicated by a special form of
address structure in which the host name field is NIL. If the
mailbox name field is also NIL, this is an end of group marker
(semi-colon in RFC 822 syntax). If the mailbox name field is
non-NIL, this is a start of group marker, and the mailbox name
field holds the group name phrase.”
For example "group: a@b, C <c@d>;" becomes
(NIL NIL group NIL) (NIL NIL a b) (C NIL c d) (NIL NIL NIL NIL)
When faced with a message with such group syntax in an address list, Trojita
outputs
group@, a@b, C <c@d>, @
in the GUI Envelope view.
When replying to such a message,
group@[]
""@[]
appear in the reply list.
Based on this, my impression is that both the underlying model and the GUI do
not deal with group syntax correctly.
A thorough fix would be to fix the underlying model and GUI parts. A simple fix
could perhaps consist of filtering out invalid addresses such as 'group@' and
'@' from the address list. An intermediate fix would be to filter them out when
replying and dealing correctly with group syntax when constructing the envelope
view.
Reproducible: Always
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