TLS fails on imaps port

[Patrick Boutilier]

On 01/25/2010 07:12 PM, Andrew Morgan wrote:
> On Mon, 25 Jan 2010, Bob Dye wrote:
>
>> OK. Thanks.
>>
>> But it does seem odd that it supports STARTTLS on 143 but not 993.
>
> The IMAP command "STARTTLS" is only offered by the server when the
> connection is currently unencrypted, such as when you first connect to
> port 143.  Port 993 is an SSL port, so by the time you see the CAPABILITY
> string from the server, SSL negotiation has already happened.


Right, which is explained at http://sial.org/howto/openssl/tls-name/



>
>   	Andy
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