The problem is that electropla1 is not fully-qualified domain?
a correct domain will be electropla1.domain.com
2007/6/5, Adam Stephens <adam.stephens@???>:
> Alex wrote:
> > What is bad in this?
> >
> > 2007-06-04 11:13:34 H=9.red-88-2-226.staticip.rima-tde.net
> > (electropla1) [88.2.226.9] temporarily rejected EHLO or HELO
> > electropla1: Bad HELO: Syntactically invalid HELO
> >
> >
> electropla1 is not fully-qualified.
>
> RFC2821 explicitly requires clients to use fully-qualified domain names
> in HELO:
>
> ====================
> 4.1.1.1 Extended HELLO (EHLO) or HELLO (HELO)
>
> These commands are used to identify the SMTP client to the SMTP
> server. The argument field contains the fully-qualified domain name
> of the SMTP client if one is available. In situations in which the
> SMTP client system does not have a meaningful domain name (e.g., when
> its address is dynamically allocated and no reverse mapping record is
> available), the client SHOULD send an address literal (see section
> 4.1.3), optionally followed by information that will help to identify
> the client system. The SMTP server identifies itself to the SMTP
> client in the connection greeting reply and in the response to this
> command.
>
> electropla1
>
> [...]
> In any event, a client MUST issue HELO or EHLO before starting a mail
> transaction.
> ======================
>
> Similarly, section 3.6 requires all domain names used in SMTP
> transactions to be 'resolvable, fully-qualified, domain names'.
>
> regards,
> Adam.
>
> --
> --------------------------------
> Adam Stephens
> Network Specialist - Email & DNS
> adam.stephens@???
>
>
