Looks like same issue openssl s_client -starttls smtp -crlf -connect localhost:587 CONNECTED(00000003) depth=0 OU = Domain Control Validated, OU = PositiveSSL, CN = qmail.rm.ht verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 OU = Domain Control Validated, OU = PositiveSSL, CN = qmail.rm.ht verify error:num=21:unable to verify the first certificate verify return:1 --- Certificate chain 0 s:/OU=Domain Control Validated/OU=PositiveSSL/CN=qmail.rm.ht i:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO RSA Domain Validation Secure Server CA ---
> On Aug 13, 2018, at 22:08, Andrew Swartz <[email protected]> wrote: > > openssl s_client -starttls smtp -crlf -connect localhost:587
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