Re: [RCU] Config: ssl:// vs tls://

[Sébastien BLAISOT]

 

That's a bit more complicated. 

ssl:// = client uses a dedicated port for these connections and directly
start talking encrypted to the server (negotiate encryption ciphers) 

tls:// (in fact, it's not tls by itself, but STARTTLS) = client uses the
regular unencrypted port, start talking in plain unencrypted text saying
"STARTTLS" which means "I want to talk to you in an encrypted tunnel"
and only then start talking encrypted (negotiate encryption ciphers) 

both postfix and dovecot support both methods. There are a lot of good
tutorial on internet for their configuration. 

-- 
Sébastien
圣巴斯弟盎 

Le 16/12/2015 03:17, Paul Schreiber a écrit : 

> On Tue, Dec 15, 2015 at 9:08 PM, Zhang Huangbin  wrote:
> 
>>> (2) Would/can you ever use tls:// with IMAP? In which cases?
>>> (3) Why would SMTP fail with ssl://?
>> 
>> Do your SMTP and IMAP servers support them?
> 
> I'm using Dovecot and Postfix. Postfix seems to support TLS and Dovecot SSL, 
> but not vice-versa. I'm wondering what the distinction is when it comes to 
> Roundcube. 
> 
> In general terms, TLS is the new version of SSL, which is why this 
> UI/terminology is confusing. 
> 
> Paul 
> 
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Links:
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[RCU] replication problems with database_attachments plugin

[Micah Anderson]

Hi,

I've got the database_attachments plugin enabled because I have multiple
machines with a memcached session store. It seems to work fairly
well... except that I am replicating the database to a read-only slave
for redundancy (and read-balancing) and the replication keeps breaking.

The slave will get this error:

Could not execute Delete_rows event on table roundcube.cache; Can't find
record in 'cache', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND;
the event's master log mysql-bin.000151, end_log_pos 182376

I've got a db_dnsw and db_dnsr configured in my roundcube config, could
it be that roundcube is also writing to the db_dnsr causing entries to
be removed on the slave, and then when the replication happens it fails
because it has been removed on the slave already?

I tried to look at mysql-bin.000151 for the 182376 event, but couldn't
find it.

Ideally, I wouldn't even replicate the roundcube.cache table, because
its a *lot* of data, but if I dont replicate it, I suspect the db_dnsr
would fail to find the records?

thanks for any suggestions for things to check,
micah

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[RCU] Changing columns and order in $config['list_cols'] doesn't work

[Philip Rhoades]

People,

I have logged out of RCM, changed the defaults.inc.php file on the 
server, restarted the dovecot service and logged back into RCM (all a 
couple of times now) but the displayed columns and order do not change . 
. am I missing something? - I want the little '+' thread icon as the 
first column again . .


Thanks,

Phil.
--
Philip Rhoades

PO Box 896
Cowra  NSW  2794
Australia
E-mail:  p...@pricom.com.au
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