quoting/threading phenomena in mail.app -- due to problems in incoming messages?
Folks:
Mail 5.1 on MacOS 10.7.x
I began using Mail.app when I installed 10.7, shortly after the initial release.
No problems with respect to unformatted email or replying to short, trivial length formatted message. For complex, on-going discussions I feel that consistent and reliable quoting and threading behavior are essential. But that is not happening in some cases. I'd like to figure out why, and what I might do to fix the issue.
(Note: I do not want to get into a discussion here of formatted versus unformatted email. Both have their pros and cons. Nor do I want to spend a lot of time debating this issue with my correspondents. As a matter of courtesy, I set Mail.app to respond using the same message format as the original message.)
When I reply to a formatted email, I notice that mail.app sometimes draws a dark grey box --with rounded corners-- around one or more incoming paragraphs, placing a circled "X" "close icon" at the upper left. I don't get it. To what does this correspond? Why does mail.app mark-off this text and offer a "close icon"? As far as I know I'm not doing anything that implies I might want to delete the text.
(Note: Rummaging around in the corresponding message source, it seems that these boxes correspond to blockquoted text in the received message.)
Editing within one of these boxes is really unpredictable. Sometimes I can select an insertion point and insert a line-break, in preparation of replying to the text just above. Sometimes nothing happens. Sometimes I can select text, and cut it. Sometimes nothing happens at all to the selected text.
Mail.app commonly doesn't correctly increase the quoting level in such paragraphs. Using
Format> Quote Level>Increase
to maintain threading history manually is fairly easy since I've defined a function-key shortcut, which works some of the time -- but the effect of this command is unpredictable. Sometimes this command deletes the selected text entirely. (Grrrrrr!) The workaround I've found is to select smaller chunks of text. In such cases, this command generally works correctly.
Meanwhile, messages from exactly one person --who uses gmail exclusively-- are displayed in a completely unique threaded format by mail.app. The entire short history of 5 messages from him are displayed on multiple virtual sheets in one message window, with the latest first. In one view, clicking on the "see more" link at the bottom of his messages unleashes a cool-looking accordion opening effect and displays my part of the thread. (I guess. I don't totally understand this display concept. But it looks very cool and seems to handle quoting and threading pretty well.)
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What's going on?
My best guess is that mail.app is struggling with "inconsistencies" in the incoming messages from different people using various email clients. I seem to recall reading that email tech specs are a hodgepodge of evolving and contradictory standards. Is that correct? Is that the root of my issue?
Many of my correspondents are non-tekkies and/or non-affluent, and they use whatever email client they can afford. Some could be using really old email clients. That doesn't help, right? Are blockquotes a really archaic formatting measure?
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When these problems occur, they can cost me a lot of time and trouble. It's really distracting to have to deal with portions of the incoming message disappear.
I don't think it is practical to persuade my correspondents to upgrade their email clients. Some of them have trouble simply setting the preferences to support quoting. Threading is a difficult concept for a few.
Any suggestions? Any mail.app preference settings I might try adjusting? Any add-ins? Is it possible to tell Mail.app "interpret all incoming blockquotes tags as simple breaks" or strip them entirely? Or ...?
TIA
2.66 GHz Intel Core i5-OTHER, Mac OS X (10.7)