[exim] STARTTLS before EHLO?

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Autor: Heiko Schlittermann
Data:  
Para: exim-users
Assunto: [exim] STARTTLS before EHLO?
Hello,

should exim support receiving a STARTTLS *before* receiving an EHLO?

    openssl s_client -connect ssl.schlittermann.de:25  -starttls smtp


ends with error:
    T 212.80.235.130:25 -> 10.10.10.6:1411 [AP]
      220 pu.schlittermann.de ESMTP Exim 4.60 Tue, 07 Feb 2006 11:39:48 +0100..  
    T 10.10.10.6:1411 -> 212.80.235.130:25 [AP]
      STARTTLS..                                                                 
    T 212.80.235.130:25 -> 10.10.10.6:1411 [AP]
      503 STARTTLS command used when not advertised..                            
    T 212.80.235.130:25 -> 10.10.10.6:1411 [AP]
      501 NULL characters are not allowed in SMTP commands..         


since exim expects EHLO first. Other SMTP servers don't. (Try mail.web.de.)

Is this (exims) behaviour just a missing feature oder standard/RFC
compliance? (a short look into RFC2487 just showed me an example with
connect -> EHLO -> STARTTLS, but no hint if this is required.)


    Best regards from Dresden
    Viele Grüße aus Dresden
    Heiko Schlittermann
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