At 09:04 -0800 on 12/11/2015, Ned Freed wrote about Re: [ietf-smtp]
[Shutup] Proposed Charter for the "SMTP Hea:
Q. "What does "mailbox full" mean and how do I fix it?"
A. (30 seconds of googling.) "Your mailbox is full because your quota looks to
be about 1/100 what modern email systems typically provide. You need to
switch to a provider with reasonable quotas."
If they are unwilling to switch providers, there is also the option
(if using POP) of checking more often since (unless you say Leave on
Server) that will clean out the Server Mailbox as you download. I
helped a user who had this issue as well as a connection that would
drop. I set the account to check often enough that the Server Mailbox
did not fill up, marked it as "Leave On Server", and set a filter
that marked the messages as "Delete From Server". That caused the
successfully downloaded messages to get deleted during the next
capture pass. I admit that it was a 2nd class Band-Aid but so long as
the user would not change connectivity and hosting services it was
the only viable solution (other than have GMAIL scrape the mailbox to
keep it empty).
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