Bug#822174: exim4: Please add hosts_require_tls = REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS

[Samuel Thibault]

Samuel Thibault, on Fri 22 Apr 2016 13:31:33 +0200, wrote:
> Well, no, it doesn't:
> 
> brl$ telnet smtp.ens-lyon.org 587
> Trying 140.77.166.138...
> Connected to sonata.ens-lyon.org.
> Escape character is '^]'.
> 220 sonata.ens-lyon.org ESMTP Postfix (Debian/GNU)
> ehlo brl.thefreecat.org     
> 250-sonata.ens-lyon.org
> 250-PIPELINING
> 250-SIZE 51200000
> 250-VRFY
> 250-ETRN
> 250-STARTTLS
> 250-ENHANCEDSTATUSCODES
> 250-8BITMIME
> 250 DSN
> auth
> 530 5.7.0 Must issue a STARTTLS command first

And

brl$ telnet smtp.ens-lyon.org 587
Trying 140.77.166.138...
Connected to sonata.ens-lyon.org.
Escape character is '^]'.
220 sonata.ens-lyon.org ESMTP Postfix (Debian/GNU)
ehlo brl.thefreecat.org
250-sonata.ens-lyon.org
250-PIPELINING
250-SIZE 51200000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
mail from:<samuel.thibault at ens-lyon.org>
530 5.7.0 Must issue a STARTTLS command first

More precisely, we have -o smtpd_tls_security_level=encrypt in the
postfix configuration of the server.

Samuel