------------ Original Message ------------
> Date: Monday, September 22, 2014 06:51:48 +1000
> From: Voytek <[email protected]>
> To: [email protected]
> Subject: Re: [k-9-mail] Can no longer send emails on K9
>
>
> On 22 September 2014 1:18:52 am AEST, Richard wrote:
>> 
> 
>> 
>> By the way, you might want to check to see if they support
>> Pop3s/995 and Imaps/993 as straight Pop3/110 Imap/143 are not
>> encrypted data streams. [hint -- you might want to look for a
>> more technically astute provider.]
> 
> Doesn't STARTTLS on 143/110 (with appropriate server config) give
> encrypted data stream?
> 

Technically yes -- but the key part is *with appropriate server
config*. Since you probably don't know the server configuration the
client needs to be set to "STARTTLS - always", rather than an "if
available" option, so that it won't connect if STARTTLS isn't
supported. 

It looks like K-9 has recently removed the "starttls - if available"
setting option (from both imap and pop). It's still showing in
documentation from June, but isn't an option in the 5.000 RC1
client, which is good. [I wonder what it did on a client upgrade
where the setting had been "if available".]

So, K-9 has forced the issue, but many clients still have a
"STARTTLS - if available" option, which leaves your encryption at
the mercy of the server configuration. [and I don't think I'd trust
a site that doesn't seem to require authentication to send to have
STARTTLS configured correctly.] 

   - Richard


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