Re: TLS and Android clients

2021-12-18 Thread David Mehler
Hello, Not sure if this will help with anything, but about a year back I was having issues getting my at the time s7 phone to connect to postfix. The solution was to determine that the connecting key was an ed-384 bit key. At that time android only supported ed-256 keys so I had to redo my key and

Re: TLS and Android clients

2021-12-18 Thread Matthias Andree
Am 15.12.21 um 23:35 schrieb Benny Pedersen: On 2021-12-15 23:04, raf wrote: How could I get an Android client and a Postfix server work together please? It's just a guess, but maybe the problem is ECDSA. If you add an RSA key as well, it might work. Does that sound plausible? or simply tr

Re: TLS and Android clients

2021-12-17 Thread Peter
On 16/12/21 10:00 am, Peter Münster wrote: submission inet n - n - - smtpd ... -o smtpd_client_restrictions=reject_unknown_reverse_client_hostname,permit_sasl_authenticated,reject Not related to your current issue, but you will find it almost impossible to a

Re: TLS and Android clients

2021-12-15 Thread Peter Münster
On Thu, Dec 16 2021, raf wrote: > It's just a guess, but maybe the problem is ECDSA. > If you add an RSA key as well, it might work. Good guess, thank you! Now it works. Cheers, -- Peter

Re: TLS and Android clients

2021-12-15 Thread Benny Pedersen
On 2021-12-15 23:04, raf wrote: How could I get an Android client and a Postfix server work together please? It's just a guess, but maybe the problem is ECDSA. If you add an RSA key as well, it might work. Does that sound plausible? or simply try smtps if submission fails on android i use

Re: TLS and Android clients

2021-12-15 Thread raf
On Wed, Dec 15, 2021 at 10:00:45PM +0100, Peter Münster wrote: > Hi, > > Since about 2-3 years I'm using successfully the following configuration > with Postfix clients: > > submission inet n - n - - smtpd > -o syslog_name=postfix/submission > -o smtpd_tls_secu

TLS and Android clients

2021-12-15 Thread Peter Münster
Hi, Since about 2-3 years I'm using successfully the following configuration with Postfix clients: submission inet n - n - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_tls_loglevel=1 -o smtpd_sasl_auth_enable=yes -o