On 8/21/2017 5:44 PM, Alef Veld wrote:
> It's open, but i just don't get any welcome message.
> 
> |[ec2-user@www postfix]$ telnet localhost 587 Trying 127.0.0.1...
> Connected to localhost. Escape character is '^]'. ehlo
> www.example.com <http://www.example.com> |
> 
> maillog:
> 
> |Aug 21 22:29:01 www postfix/smtpd[26978]: initializing the
> server-side TLS engine Aug 21 22:29:01 www postfix/smtpd[26978]:
> connect from www.test.com <http://www.test.com>[127.0.0.1] Aug 21
> 22:29:01 www postfix/smtpd[26978]: setting up TLS connection from

[logs unreadable due to html markup. plain text only please]

> 
> I fear this has something to do why i've been having problems with
> setting up the mail accounts on other systems as well. I get these
> -1 messages when i try to "auto discover" the mail server on iMac
> mail.app as well.
> 
> Usually switching to non secure and then back to SSL fixes it. It
> has something to do with SSL i'm sure. I'm using self signed
> certificates and i can send and receive fine (dovecot and postfix). 
> 
> Anyway just wondering. I should at least be able to get a welcome
> message?
> 
> 


You should get a 220 greeting message on the submission port 587
unless you've mistakenly enabled smtpd_tls_wrappermode on that port.

To test smtps port 465, you'll need to use the openssl s_client
command to establish an encrypted connection.  Something like:
  openssl s_client -connect localhost:465
If that connection works, you'll get a screen full of key exchange
followed by a 220 greeting.

For more help, please show your "postconf -n" and the submission and
smtps entries you've made in master.cf.



  -- Noel Jones

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