Problems with port 993 (SSL)

Patrick Boutilier boutilpj at
Tue Sep 1 11:35:19 EDT 2015

On 09/01/2015 12:26 PM, Paul van der Vlis wrote:
> Hello,
> Since yesterday I get phone calls from Apple users about port 993 not
> working anymore. Some other users don't have problems using port 993.
> No problems on port 143 with starttls.
> I've tested it myself on Linux, same problem.
> Starttls works, but SSL/TLS does not.
> I think it has to do with security problems in the SSL-protocol, and
> updates in mailclients. Is here someone who knows more?
> My mail setup is a bit old (Debian Squeeze), I am testing a new setup at
> the moment with Debian Jessie.
> With regards,
> Paul van der Vlis.

What version of Cyrus?

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