On Mon 18/May/2015 16:45:02 +0200 Mark Constable wrote: 
> On Mon, 18 May 2015 07:03:21 AM Sam Varshavchik wrote:
>> 
>> Are you using self-signed certificates for IMAP and SMTP?
> 
> No, but admittedly just a cheap chained certificate...

What's the key length?  This article seems to imply it must be >= 2048:
https://www.sophos.com/en-us/support/knowledgebase/122327.aspx

Ale











































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