[RCD] IMAP APPEND fails on Quota Exceeded

Robin Elfrink robin at 15augustus.nl
Wed Aug 26 16:12:06 CEST 2009


(bug dropped in my mailbox)

After sending an e-mail RoundCube attempts to append the e-mail to the 
Sent folder.

RoundCube (actually, the Iloha library) does not handle the response to 
the APPEND command correctly, resulting in a properly sent e-mail, and a 
client timing out.

Example conversation:

 > a APPEND "Drafts" (\Seen)  {555145}
< a NO [OVERQUOTA] Quota exceeded (mailbox for user is full)

RoundCube reads the response line but doesn't parse it.

Attached patch at least fixes the not-parsing-and-client-hanging part, 
logging the actual response line to the error log. But a proper error 
message to the user would be better.

Does anybody have any idea if IMAP errors are standardized, and if so, 
how would I get the message from program/lib/imap.inc back to 
program/steps/mail/sendmail.inc, to show the user a proper message?


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