[Dovecot] Fishing attempt locking up dovecot

[Asheesh Laroia]

On Tue, 11 Dec 2007, Patrick Milvich wrote:

> I've mentioned this before but only heard from one other person who has 
> experienced this, but it's becoming a pretty serious issue.
>
> The situation:
> A spammer sets a bot on a fishing attempt to gain email addresses, causing 
> numerous login processes to spawn and suck up all available resources.

Sounds like you could avoid this problem if you configured fail2ban to 
block the spammer trying all these logins.

However, the underlying problem with Dovecot would remain, and so it is 
worth fixing that too!

-- Asheesh.

--
The speed of anything depends on the flow of everything.