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Full Discussion: SMTP Server Configuration
Top Forums Web Development SMTP Server Configuration Post 302980518 by stomp on Monday 29th of August 2016 03:44:50 PM
Old 08-29-2016
Bad News here

It's common practice to block mail servers from private internet connections with dynamically assigned IP addresses. You'll have a lot of rejections for valid mails. Nothing you can do about it. Fighting Spam means making it hard for spammers to send emails - at the same time making it hard for everybody to send emails.

And don't even try to send mails without a proper set up mail server(rdns, SMTP-Banner, Relay-Restriction,...). Connection will be dropped, faster than your mailer can say HELO.

IMO is using a smarthost one of the easier alternatives here.
Last edited by stomp; 08-29-2016 at 05:32 PM..
 

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LEARN ABOUT DEBIAN

postfix-add-filter

POSTFIX-ADD-FILTER(8)					      System Manager's Manual					     POSTFIX-ADD-FILTER(8)

NAME

       postfix-add-filter - add filter service to Postfix master.cf

SYNOPSIS

       postfix-add-filter [smtp service name...] [smtpd port...]

DESCRIPTION

       The  postfix-add-filter(8)  command  adds an smtp service named smtp service name and and smtpd server listening on smtpd port to etc/post-
       fix/master.cf to facilitate integration of SMTP filters such as amavisd-new or clamsmtp.  The configuration is based on the upstream recom-
       mendations for amavisd-new 2.6.0.  Adminstrators should verify it is appropriate for their requirements.

       The original file is copied prior to modification and left in /etc/postfix to make it possible to revert changes easily.

       Available in the Debian package for Postfix version 2.5.3 and later.

DIAGNOSTICS

       If  the given smtp service name or smtpd port already appear in the master.cf, a message will be printed to standard out and master.cf will
       not be modified.

ENVIRONMENT

       MAIL_CONFIG
	      Directory with Postfix configuration files.

	      The postfix-add-filter(8) command should use this, but it currently doesn't.  It is hard coded  to  /etc/postfix.   This	should	be
	      changed.

CONFIGURATION PARAMETERS

       None

FILES

       /etc/postfix/master.cf

SEE ALSO

       postconf(5), Postfix configuration

LICENSE

       This software is licensed under the MIT open source license.

AUTHOR(S)
       Scott Kitterman
       <scott@kitterman.com>

															     POSTFIX-ADD-FILTER(8)
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