[Discuss] question about imap

David Frey dpfrey at shaw.ca
Tue Jan 2 15:17:38 PST 2007


On 12/28/2006, "J.Bakshi" <bakshi12 at gmail.com> wrote:

>I am running imap server at a remote server. now I can see two imap ports
>there namely 143 and 993. both are working fine but interested to know the
>difference btwn these two.
>
>I have a problem regarding TLS authentication. note TLS encryption is working
>with both the ports. but whenever I enable the TLS authentication it reports
>an error.
>
>with port 143 it reports *TLS/SSL failure for 87.230.8.228: SSL negotiation
>failed
>*

It seems that SSL is not supported on port 143.


>
>with port 993 it reports *Certificate failure for 87.212.8.12: self signed
>certificate: /C=US/ST=NY/L=New York/O=Courier Mail
>Server/OU=Automatically-generated IMAP SSL
>key/CN=localhost/emailAddress=postmaster at example.com

I think this is because you have created the certificate yourself instead
of having it issued from a signing authority.  I would think that this
would be a warning rather than an error.

>
>could any one suggest the possible solution and the port (btwn 143 and 993) I
>should use (and why ) ?
>
>thanks


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