Emails worked in the past with this configuration.
Ran the bin/cake passbolt send_test_email. Here are the results:
Email configuration
Host: webmail.myserver.com
Port: 587
Username: passbolt@mydomain.com
Password: *********
TLS: true
Sending email from: Blue Net Cloud Passbolt passbolt@mydomain.com
Sending email to: doesnotexist@passboltdummydomain.com
Warning Error: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in [/var/www/html/passbolt/vendor/cakephp/cakephp/src/Network/Socket.php, line 473]
2019-03-30 18:36:34 Warning: Warning (2): stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in [/var/www/html/passbolt/vendor/cakephp/cakephp/src/Network/Socket.php, line 473]
Trace
[220] mailserver\Client Frontend mailserver
EHLO localhost
[250] edc-ex201601.myserver.com Hello [w.x.y.z]
[250] SIZE 104857600
[250] PIPELINING
[250] DSN
[250] ENHANCEDSTATUSCODES
[250] STARTTLS
[250] AUTH GSSAPI NTLM
[250] 8BITMIME
[250] BINARYMIME
[250] CHUNKING
STARTTLS
[220] 2.0.0 SMTP server ready
A test email could not be sent.
Error: SMTP server did not accept the connection or trying to connect to non TLS SMTP server using TLS.