Heiko Schlittermann via Exim-users <exim-users@???> (Di 10 Okt 2017 23:09:34 CEST):
…
>
> It seems, in src/smtp_in.c, that an *empty* HELO argument is
> not permitted, even with helo_accept_junk_hosts set. An empty string
> can't even be junk.
*It seems*. Probably I didn't look close enough.
So I've to correct myself.
I just did a test with the current Exim (from the master branch).
echo -en 'HELO\r\n' | exim -bh 8.8.4.4
With helo_accept_junk_hosts = *
Exim accepted the command. Without that option, I saw the (expected)
rejection.
Best regards from Dresden/Germany
Viele Grüße aus Dresden
Heiko Schlittermann
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