[pfx] dynamic user lookup

Hello, Postfix users. I am looking for a dynamic user mapping, if possible. For instance, something like lua, python or perl, to return a user lookup. What I need is something very simple and the language don't need to be advanced. I'd like to give my users the possibility of creating themselves

Self hosting solution for Christmas

Hello everyone, Here my present for Christmas: a new version of HomeBox, the self hosted email solution. Feel free to drop comments, create issues, update the docs, etc. I released this quickly before going on vacation, so you may find some issues. However, this is mostly stable, and the code

How to run a script on postfix authentication failure

Hello, all. Is there a way, in postfix, to run a script when the authentication fails, please ? I would like to use nftables sets, with the timeout option, to ban IP addresses. I know fail2ban exists, but I am considering other options. nftables sets, implemented in the kernel, with the tim

Re: How to write a milter with access to carddav

On 16/03/2018 15:36, Michael Munger wrote: We've successfully written milters (Google pymilter) that check a MySQL database to accept inbound mails for anyone who is in this client's CRM system. Since the postfix box is a front-end to an Exchange server, the milter triggers a FILTER relay:192.168

Re: How to write a milter with access to carddav

On 10/03/2018 16:29, J Doe wrote: Hi Andre, On Mar 9, 2018, at 6:53 AM, André Rodier wrote: Hello, I would like to know if there is any milter for postfix that would let me query a CardDav server? The idea is to add a custom header, for instance 'X-Address-Book: Personal' if the from email

DMARC fail

Hello all! I have set up my postfix server, and my DNS entries to support DKIM, SPF and DMARC. However, I think I may have an error somewhere, because the "Authentication-Results:" header for DMARC -s "fail": Does anyone knows why, please? I have send an email to an online DMARC test, and di

reject attachments for certain recipients

Hi, Is there a simple way in Postfix to reject attachments, but only for certain email addresses? Thanks. <>

HTML bounces

Hi, I have a few users who don't understand bounced messages, and consider them as an error from our system. I won't even try to educate them. I would like to know if there is a way to use HTML messages to send "beautiful" bounces messages (internally) but continue to send standard text form

Re: Testing display name and add a bcc header

On Tuesday, 01.10.13 at 07:47, Wietse Venema wrote: > Andre Rodier: > > Hello everyone, > > > > I would like to know how to test the value of a display name, > > and if possible, add a BCC header. > > Postfix header_checks can examone headers, but support for

Testing display name and add a bcc header

Hello everyone, I would like to know how to test the value of a display name, and if possible, add a BCC header. For instance, emails to "user1 " would be bcc'd to "us...@example.com". Is this is possible with postfix? Thanks in advance.

Restrict

main. Can anyone send me a link to the official documentation, or an example on how to do this. Thanks a lot. Andre Rodier.