Re: libsaslc TLS postfix client woes

[christos%zoulas.com@localhost (Christos Zoulas)]

On Aug 24, 10:52am, jgw%sdf.org@localhost (jgw%sdf.org@localhost) wrote:
-- Subject: Re: libsaslc TLS postfix client woes

| Switching to previous openssl libraries will take some doing but I think I've
| uncovered more clues using the posttls-finger(1) tool:
| 
|   %  posttls-finger -a ipv4 -L verbose -l encrypt -cS '[smtp.acme.com]:submission'
|   posttls-finger: initializing the client-side TLS engine
|   posttls-finger: LHLO rejected: 502 unimplemented (#5.5.1)
|                   ^^^^
| 
| Should be "EHLO" right?  Looks like a simple typo in the code somewhere. Hunting
| around with strings(1) I found this:
| 
|   % strings /usr/libexec/postfix/smtp | grep LHLO
|   performing the LHLO handshake
|   LHLO %s
| 
| Does that look like the likely suspect?

Possibly, see: https://en.wikipedia.org/wiki/Local_Mail_Transfer_Protocol

Maybe switching back to an older version of postfix fixes it then?

christos