Re: Postfix cannot start tls: handshake failure

*openssl s_client -connect (mydomain.com):443 -servername (mydomain.com)* CONNECTED(0003) depth=2 C = GB, ST = Greater Manchester, L = Salford, O = COMODO CA Limited, CN = COMODO ECC Certification Authority verify error:num=20:unable to get local issuer certificate --- Certificate chain 0

Re: Postfix cannot start tls: handshake failure

Here is the contents of my: *postconf -n* alias_database = hash:/etc/postfix/virtual alias_maps = hash:/etc/postfix/virtual append_dot_mydomain = no biff = no inet_interfaces = all inet_protocols = all mailbox_size_limit = 0 mydestination = $myhostname, (mydomain.com), localhost,

Re: Postfix cannot start tls: handshake failure

I'm now using port 25. I've tested to see if my firewall or what ever was blocking it, but I can connect when I tested via; *openssl s_client -connect email-smtp.eu-west-1.amazonaws.com:25 -starttls imap* OUTCOME: CONNECTED(0003) didn't found

Re: Postfix cannot start tls: handshake failure

Appreciate the reply, Viktor. I've done everything you've suggested and here is the report: This is when I use: *smtp_tls_security_level =encrypt* B3A80BEF2F: uid=0 from= localhost postfix/cleanup[5021]: B3A80BEF2F: message-id=<20170327174324.B3A80BEF2F@localhost.localdomain>

Postfix cannot start tls: handshake failure

Hello. Here is the situation in clear detail. I use Amazon SES and a paid email inbox, to send outgoing mail on my forum (Using MyBB) which sends out email activation links, subscriptions to threads, password reset links, etc. This has been working perfectly (without using postfix) however,