I had checked suckless.org on https://www.hardenize.com/, which report `TLS, No support for STARTTLS`, but on checktls.com or testtls.com, suckless.org is fine.
On 09.04.23 13:47, Quentin Rameau wrote: > > No, suckless.org MX configuration hasn't changed since last April (2022). > > Also, you can test yourself to see that smtps and starttls are supported. > (https://www.checktls.com/TestReceiver can help for example, > if you don't trust your own setup) > > I suspect the problem is different, maybe rather a configuration change > on your mail provider in february? > > In any case, that's not a refusal for help, don't hesitate to pass > further information on if you find something new on either side! >