Bug#343085: exim4: Exim SMTP_AUTH hangs since today...

[Sven Hartge]

Um 22:41 Uhr am 30.01.06 schrieb Florian Weimer:
> Sven Hartge:

>> So, conclusion: No the problem is not the gnutls-params file, but exim4 
>> using nearly each and every bit of entropy for a _single_ mail.
 
> This is expected and is quite hard to fix properly.
> 
> During your tests, did Exim hang?

No, it used /dev/urandom this time (which quite surprised me, since I used 
the same packages that were installed when Exim hang using /dev/random).
 
It seems I have a little mixup here, so I will restest the situation with 
verified packages.

> The problems begin when you're on a high-volume mail server and the 
> delivery process drain entropy so fast that the key generation fails to 
> gather the needed number of bits in a reasonable time period.

How long does your server take to refill the pool from zero to 4096?

Grüße,
Sven.

-- 
Sven Hartge -- professioneller Unix-Geek
Meine Gedanken im Netz: http://www.svenhartge.de/

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