APOP No Longer Working after Upgrade to IMAPd 2.3.12p2

Jorey Bump list at joreybump.com
Wed Apr 30 15:35:22 EDT 2008


Wesley Craig wrote, at 04/30/2008 02:18 PM:
> Is this an iPhone?  Might look at this:
> 
>     http://www.dannyfoo.com/blog/apple-iphone/malaysia-iphone-x-apop-authentication-support-and-secure-connection-failed/ 

The user hasn't reported the client, but he's a Mac fan, so this is 
quite possible.

However, I'm also currently grappling with a webmail performance 
problem. This is why I upgraded Cyrus IMAPd. I've just discovered that, 
compared to all my other servers, this platform is having difficulty 
maintaining entropy. If I run a complex find operation, I can build the 
entropy back up, but it quickly depletes with only a few webmail users 
making connections. At first, I thought it was an Apache mod_ssl issue, 
but the Cyrus docs mention that APOP requires a lot of entropy, as well.

If anyone has any tips on maintaining entropy on a headless Linux 2.6 
machine, I'd appreciate it. I've already switched the drives to 
different hardware, to no avail.


> Also, the way the APOP challenge is written out has changed, so I might 
> look there.
> 
> :wes
> 
> On 30 Apr 2008, at 11:34, Jorey Bump wrote:
>> I upgraded Cyrus IMAPd from 2.3.11 to 2.3.12p2 last night, and a user is
>> now reporting that he can no longer authenticate using APOP. He's
>> getting this error from his client:
>>
>> 'The server error encountered was: The POP server "mail.example.net"
>> doesn’t support X-APOP authentication. Please check your account
>> settings and try again. '
>>
>> I haven't changed anything in the configuration that was working fine
>> under 2.3.11. Any ideas?



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