0
votes
0answers
44 views

Unable to get private key, path is correct, file readable

When testing Cyrus IMAPs connection, the connection fails with: May 12 21:03:16 mail cyrus/imaps[25758]: executed May 12 21:03:16 mail cyrus/imaps[25758]: accepted connection May 12 21:03:16 mail ...
0
votes
1answer
58 views

SMTP Connection disconnecting after “STARTTLS”

We're having issues with our mail server. Basically some emails from external networks are not being accepted by the mailserver. After some debugging using telnet and looking through the logfiles, it ...
1
vote
1answer
353 views

ejabberd starttls_required in c2s/s2s and disable SSLv3 + unsecure Ciphers

I'm using ejabberd on Ubuntu. My configuration looks like this: {5269, ejabberd_s2s_in, [ {shaper, s2s_shaper}, {max_stanza_size, 131072}, ...
5
votes
2answers
2k views

Is STARTTLS more safe than TLS/SSL?

In Thunderbird (and I assume in many other clients, too) I have the option to choose between "SSL/TLS" and "STARTTLS". As far as I understand it, "STARTTLS" means in simple words "encrypt if both ...
2
votes
2answers
258 views

How do I log tls-encrypted smtp traffic?

I'd like to know what my local postfix says to the Amazon SES smtpd after the STARTTLS. In plain text, so I can understand it. Amazon SES requires TLS, so I can't temporarily turn it off. I currently ...
0
votes
1answer
2k views

lost connection after STARTTLS: Postfix

I've setup a Postfix + Courier server and have a Rails app configured with the SMTP server settings. Whenever the Rails app tries to send an email, this is what appears in the Postfix log (additional ...