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Posted to server-dev@james.apache.org by "Stefano Bagnara (JIRA)" <se...@james.apache.org> on 2005/08/10 00:05:36 UTC
[jira] Assigned: (JAMES-320) Some messages cause POP3 output stream to freeze on RETR.
[ http://issues.apache.org/jira/browse/JAMES-320?page=all ]
Stefano Bagnara reassigned JAMES-320:
-------------------------------------
Assign To: Stefano Bagnara
> Some messages cause POP3 output stream to freeze on RETR.
> ---------------------------------------------------------
>
> Key: JAMES-320
> URL: http://issues.apache.org/jira/browse/JAMES-320
> Project: James
> Type: Bug
> Components: POP3Server
> Versions: 2.2.0
> Environment: Server:
> Fedora Core 2 Linux (x86)
> Sun J2SDK 1.4.2_04
> Clients:
> FreeBSD/Thunderbird
> FreeBSD/Telnet
> Windows XP/Outlook
> Windows XP/Telnet
> Reporter: Greg Duffy
> Assignee: Stefano Bagnara
> Priority: Critical
> Fix For: 2.2.1
> Attachments: BadMessage2.mail
>
> I've been using James on my personal server since about 2.1.3. My domains receive a good deal of spam (on the order of ~1000 per day, spread over the e-mail accounts I host and the postmaster address).
> Some of these messages contain attachments (usually virii) that seem to contain characters that will stop the POP3 transmission in the middle of a RETR.
> Basically, this means that when you RETR an offending message, GUI mail clients time out and telnet sessions just hang until you escape to console and quit.
> If the message is first in the list, this means most clients will not be able to retrieve the rest of the messages in the inbox.
> The only end-user solution is to telnet in, DELE the offending message(s), and then RETR the good ones.
> I'm going to try to attach a sample of an offending message (I haven't used JIRA much). Maybe this is a more general problem with some kind of control characters in the POP3 implementation?
> I haven't had a chance to dig in to James's architecture, but I'd love some pointers.
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