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Postfix: manage a list of banned destination emails ie with smtpd_recipient_restrictions

we manage our own posfix email server.

We basically want to avoid sending several emails to destination email addresses that have already been bounced.

I have a list in a database (currently sqlite, and also a flat file) of banned email address, namely addresses that have been previously bounced.

I would like to configure postfix to reject target that are present in that list.

namely, I would like postfix to REJECT the email during 'RCPT TO' so that when smtp client tries to send to those destinations, they receive error directly. said diffently, I basically want the smtp client to receive an error when he tries to target those email adresses.

I tried that solution here with usage of usage de smtpd_recipient_restrictions:

Block outgoing mail to specific address using Postfix - Server Fault

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But it seems to still contact the destination MX server. And the result is that Postifx still accept bad recipients (tried with PHPmailer).

Googling around, there also this post which could be relevant:

postfix check_recipient_access syntax

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Evner: DNS, E-mailhåndtering, Linux, System Administrator, UNIX

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Om arbejdsgiveren:
( 57 bedømmelser ) Fuveau, France

Projekt ID: #18126861

6 freelancere byder i gennemsnit $39 på dette job

nikosku

Hello my name is Nikos and Im working on the Linux server administration field for the past 6 years. Over these years I worked for two web hosting companies as a Senior Administrator managing their servers & providing Flere

$35 USD på 1 dag
(132 bedømmelser)
6.4
numerichost

Hi, I will suggest you the best solution to remove bounce mails. I have 10 Years of expertise in bulk mailing, email marketing, Power MTA ,Interspire and Mailwizz mailing application with secured server set up. Flere

$30 USD in 0 dage
(70 bedømmelser)
5.6
infihost

Hi, I will setup and configure postfix on the server so that mail sending issue will be resolved. I do have expertise in email marketing, web hosting, server setup, server configuration, etc Please discuss to st Flere

$30 USD in 0 dage
(77 bedømmelser)
5.3
Pro4Magento

Hi. Can help You with this Postfix reconfiguration, so it can filter mails based on recipient e-mail address (so block mails for addresses from your list). list can be maintained in flat file (need modify a bit your c Flere

$50 USD på 1 dag
(14 bedømmelser)
3.3
xscmiizbto

Hello, I have gone through with your project requirement and understood the issue as well as I have previous experience on similar tasks. I need your database then I check first and search and get valid email list, Flere

$60 USD på 1 dag
(1 bedømmelse)
0.4
marconou

Hi, I'm a system & network engineer 10+ years experience with expertise in Linux and Windows servers. I have similar technical skills & experience & have already worked on a similar project before so feel free to conta Flere

$30 USD på 1 dag
(0 bedømmelser)
0.0