Hi, I'm migrating a functional Postfix + Courier IMAP ssl installation to TLS with commercial certificates (instead of self-signed ones), but until now the tls connection isn't transferring any data.
When I connect to the service by "openssl s_client -connect hostname:993", and only TLS is enabled, then the only thing presented is "CONNECTED(00000003)". The connection is kept open but no data is transferred. If ssl is enabled, I always get a "return code: 21 (unable to verify the first certificate)". Right now, Postfix and a web browser are using the certs. With courier, I've already tried to use a cert bundle, each CA certs in separate (root, intermediate) to no avail. This is a gentoo box, with courier-authlib-0.66.3, courier-imap-4.15-r1 (with gnutls). Thanks in advance!
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