MCBastos wrote, On 28/12/2012 03:27:
Ray_Net wrote:
Recently somone told us that the SM option "leave messages on the
server" have no use, because pop messages are deleted once donwloaded.
This is partially true.
- My SM option is: "leaves messages on the server".
- My Gmail option is: "Keep Gmail's copy in the inbox"
Actually, it's not quite that. Seamonkey implements correctly, AFAIK,
the "leave messages on server" option of the POP3 protocol. Gmail,
however, ignores what you tell it to do, and instead relies mostly on
its internal setting. So, the important point is to set Gmail
correctly, because its internal option will override the Seamonkey
option.
Gmail IS set correctly. the problem is that when donwloading messages
from SM and not telling Gmail to delete the downloaded messages - But
Gmail simply delete pop3 messages !!!
Usually i use PopTray to look at the list of the mails present on the
server.
It look like GMail have TWO mailbox one is the "webmail-mailbox" and the
second on is the "pop3-mailbox".
I say that because:
1. I use PopTray to lookat the pop3 list and a see a few mails.
2. Then i donwload it using SM (with the preference "leaves messages on
the server")
3. When all mails are in the SM-mailbox on my pc, il look at the
pop3list using PopTray.
4. The list is EMPTY. (so it looks - all mails are gone)
5. Then i look at the gmail mailbox using their webmail interface - All
the mails listed at point 1 are there and i can read them.
This is certainly not an SM problem, but an Gmail one. I wrote this post
to explain what i have found -
2 differents mailbox for a gmail account.
Not quite, from what I understand it's not two different mailboxes.
But Gmail keeps a record pointed to the earliest message it will make
available through POP3. If I remember well, in fact, when you first
activate POP3, it gives you the choice of setting the pointer to zero
(that is, the POP mail client will see all messages) or to "now" (that
is, the POP mail client will only see messages arriving from now on).
When a POP client like Seamonkey sends Gmail a command to delete
messages, but Gmail is set up to keep all messages regardless (the
default setting, by the way), it will only *move* the pointer, so only
new messages will be shown to the POP client. In fact, it *fakes*
deleting the messages.
My seamonkey option did not send a command to delete messages to Gmail !!!
That somewhat confusing behavior is one of the reasons I prefer using
IMAP with Gmail. That, and the fact that IMAP allows me to check the
Spam folder easily for false positives.
The truth is, differently from most other mail systems, Gmail was
conceived to be used primarily from its own web UI, which uses
different metaphors than other systems, with other means of access
(like POP and IMAP) being sort of afterthoughts.
The implementation of POP and IMAP was done with more regard to not
interfering with the main UI system than to following the specs to the
letter.
They did in fact do a fairly good job on the specs, but the way Gmail
features map to POP and IMAP may be sometimes a bit odd. In my
opinion, Gmail just maps better to IMAP than to POP.
MCBastos
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