Some of my favs:
https://en.internet.nl/ (if you're running Postscreen, it will fail the
TLS test as it doesn't wait for the STARTTLS offer)
http://www.mail-tester.com
https://ssl-tools.net
https://dane.sys4.de/ (thanks Victor!)
http://arp.simson.net/dev/dane_check.cgi/ (defunct :( )
On 11/07/201
If I made any errors/mistakes or my configuration contains any
unnecessary settings/variables, can someone point them out?
Thanks!
==
postconf -n:
best_mx_transport = virtual
biff = no
bounce_queue_lifetime = 3d
compatibility_level = 2
default_process_limit = 150
delay_warning_time = 12h
di
