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From: Shredr on 2 Dec 2009 21:53
I have these in my main.cf
smtp_always_send_ehlo = yes
smtp_never_send_ehlo = no

But when I send a test email, I get this in maillog:

Dec 2 18:22:51 genre1 postfix/smtp[32265]: > exchange.x.net[x.x.
120.200]:25: HELO x.x.localdomain
Dec 2 18:22:51 genre1 postfix/smtp[32265]: < exchange.x.net
[165.212.120.200]:25: 250 exchange.x.net Hello [x.x.x.226]
Dec 2 18:22:51 genre1 postfix/smtp[32265]: server features: 0x31000
size 0
Dec 2 18:22:51 genre1 postfix/smtp[32265]: > exchange.x.net[x.x.
120.200]:25: MAIL FROM:<x(a)x.localhost.localdomain>
Dec 2 18:22:56 genre1 postfix/smtp[32265]: < exchange.x.net[x.x.
120.200]:25: 530 5.7.1 Client was not authenticated

I know that if I use EHLO instead of HELO, the "AUTH LOGIN" is used
and the email goes through. (I used smtp-cli to prove this).

Is there a workaround so that postfix/smtp client ALWAYS uses EHLO
instead of HELO?

TIA.




From: Shredr on 3 Dec 2009 13:36
On Dec 2, 6:53 pm, Shredr <eduardo...(a)gmail.com> wrote:
> I have these in my main.cf
>    smtp_always_send_ehlo = yes
>    smtp_never_send_ehlo = no
>
> But when I send a test email, I get this in maillog:
>
> Dec  2 18:22:51 genre1postfix/smtp[32265]: > exchange.x.net[x.x.
> 120.200]:25: HELO x.x.localdomain
> Dec  2 18:22:51 genre1postfix/smtp[32265]: < exchange.x.net
> [165.212.120.200]:25: 250 exchange.x.net Hello [x.x.x.226]
> Dec  2 18:22:51 genre1postfix/smtp[32265]: server features: 0x31000
> size 0
> Dec  2 18:22:51 genre1postfix/smtp[32265]: > exchange.x.net[x.x.
> 120.200]:25: MAIL FROM:<x...(a)x.localhost.localdomain>
> Dec  2 18:22:56 genre1postfix/smtp[32265]: < exchange.x.net[x.x.
> 120.200]:25: 530 5.7.1 Client was not authenticated
>
> I know that if I use EHLO instead of HELO, the "AUTH LOGIN" is used
> and the email goes through. (I used smtp-cli to prove this).
>
> Is there a workaround so thatpostfix/smtp client ALWAYS uses EHLO
> instead of HELO?
>
> TIA.


I figured it out. I had to add "smtp_pix_workarounds = " to main.cf to
prevent postfix from using the PIX workaround which disables esmtp on
the smtp relay server.
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