> On Jun 17, 2024, at 10:14 PM, Cowbay via Postfix-users > <postfix-users@postfix.org> wrote: > > On 2024/6/18 10:43, Paul Schmehl via Postfix-users wrote:
> The problem is neither tls nor ssl worked. No matter what config I used, > roundcube would always through an error. If I used $config['smtp_host'] = > ‘tls;//www.stovebolt.com'; or I used $config['smtp_host'] = > ’ssl;//www.stovebolt.com'; roundcube would error out saying it couldn’t > connect to the server. If I removed them and used only the FQHN, it errored > out saying the postfix doesn’t support authentication. >> >> I thought maybe it might be a cert issue (I was using a self-signed cert), >> so I switched to a letsencrypt cert, but that made no difference. No matter >> what I did, roundcube refused to send mail. > I learned a tool to check this problem. You can try below command and check > the output: > > posttls-finger -w -lsecure -C "www.stovebolt.com:465 > <http://www.stovebolt.com:465/>" “www.stovebolt.com > <http://www.stovebolt.com/>” That might have uncovered a problem. # posttls-finger -w -lsecure -C "www.stovebolt.com:465" “www.stovebolt.com" posttls-finger: Connected to www.stovebolt.com[108.174.193.28]:465 posttls-finger: SSL_connect error to www.stovebolt.com[108.174.193.28]:465: -1 posttls-finger: warning: TLS library problem: error:1408F10B:SSL routines:ssl3_get_record:wrong version number:ssl/record/ssl3_record.c:332: Paul Schmehl paul.schm...@gmail.com
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