In run file

export FORCETLS=0
export SMTPAUTH="+cram"

yields:

# telnet my.host.tld 25
Trying my.host.tld...
Connected to my.host.tld.
Escape character is '^]'.
220 my.host.tld - SMTP Server ESMTP
ehlo
250-my.host.tld - SMTP Server
250-STARTTLS
250-PIPELINING
250-8BITMIME
250-AUTH LOGIN PLAIN CRAM-MD5
250 SIZE 400971520

On 9/25/2020 5:39 PM, a...@globalgate.com.ar wrote:

Hello Eric,

thanks for the idea, but it's not useful here; the server it's not a frontend of a private lan; clients connect to it using some smtp-auth for 25/tcp.

Should I downgrade this toaster's qmail package to qmail-1.03-2.2.1.qt.el7.x86_64
in order to recover that functionality meanwhile?

thanks again

_A.


On Fri, 25 Sep 2020, Eric Broch wrote:

Date: Fri, 25 Sep 2020 16:13:04 -0600
From: Eric Broch <ebr...@whitehorsetc.com>
Reply-To: qmailtoaster-list@qmailtoaster.com
To: qmailtoaster-list@qmailtoaster.com
Subject: Re: [qmailtoaster] recommended setup for sending throughout legacy
    port 25 and other nonstandard port setup

if the hosts

In /etc/tcprules.d/tcp.smtp

192.168.1.:allow,RELAYCLIENT=""

172.16.:allow,RELAYCLIENT=""

...


On 9/25/2020 4:00 PM, a...@globalgate.com.ar wrote:

Hello again,

any thoughts?


More info: both toaster en CentOS 7

server A:
qmail-1.03-2.2.1.qt.el7.x86_64
dovecot-2.3.10-11.qt.el7.x86_64

ehlo
250-serverA.domain.com.ar
250-STARTTLS
250-PIPELINING
250-8BITMIME
250-SIZE 20971520
250 AUTH LOGIN PLAIN CRAM-MD5


It's possible connect to 25/TCP port to sent out email
(others, as submission too obviously)



On the other hand:

Server B:
qmail-1.03-3.2.qt.el7.x86_64
dovecot-2.3.10-11.qt.el7.x86_64


telnet serverB  25
ehlo
250-serverB.domain.com.ar
250-STARTTLS
250-PIPELINING
250-8BITMIME
250 SIZE 30720


It's not possible connect to 25/TCP port to sent out email
(only submission or smtps)



So, should I rely on qmail-1.03-2.2.1.qt.el7.x86_64  to solve this issue by the moment?  (and avoid update qmail* package)

Or is there an appropiate setting to accomplish that.?


Thanks in advance


--

Abel Lucano ____________________________________________________

GlobalGate Ingeniería



On Thu, 24 Sep 2020, a...@globalgate.com.ar wrote:

Date: Thu, 24 Sep 2020 00:36:34 -0300 (-03)
From: a...@globalgate.com.ar
Reply-To: qmailtoaster-list@qmailtoaster.com
To: qmailtoaster-list@qmailtoaster.com
Subject: [qmailtoaster] recommended setup for sending throughout legacy port
    25 and other nonstandard port setup


Hi list,

scenario:
- smtp auth on 25/tcp  port for sending email
- centOS 7 or 8, whichever
- pop3/imap/webmail support as usual

Current qmailtoaster is running qmail-1.03-3.2 version (on centos7 at least) and smtp's run script has a 'REQUIRE_AUTH=0' line and host it is NOT advertising authentication.

Even enabling 'auth_mechanisms = plain login digest-md5 cram-md5' in Dovecot's toaster.conf file,  the server refuses relaying through port 25 triggered by spamdyke proposed toaster's configuration.

I tried to convince customer in order to use submission port, and he (partially) agreed, but support sending through legacy 25 smtp (and other non standard) is mandatory.

How could I setup that? or which packages (qmail/dovecot mainly) should I use or relay on?


Thanks in advance for your advices and pointers,

regards,



--

Abel Lucano ____________________________________________________
a...@globalgate.com.ar
GlobalGate Ingeniería


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