Questions tagged [postfix]
Postfix is a free and open-source mail transfer agent (also "MTA"), written in 1997 and still actively developed.
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Postfix Receiving Email issue
POSTFIX - DOVECOT - NODE JS - SMTP - RECEIVING_EMAIL
I have completed the setup for sending email from my custom domain using the Postfix Smtp server.
Now I need to receive the email from any mail ...
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Postfix - how to delete all the old emails?
I have a VPS server that manages the post.
It has postfix, dovecot, spamassassin, etc. The OS is ubuntu. Using POP only.
postconf mail_version
mail_version = 2.10.1
This server has about 15 email ...
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Mail servers setup - HA
I want to setup mail service in my org in such a way that they are highly available and even if one of the server goes down the other will keep on serving the traffic.
The scenario is like below:
the ...
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Postfix being restarted
I have a script that submits form data to my email that works on local host, but not on the server.
main.cf:
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
# Debian ...
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DMARC fail while SPF pass and DKIM pass
We have our own mail server (example.com). When sending emails through our code which resides on another server to our mail server, we receive SPF and DKIM pass but DMARC fails.
mail header:
From: &...
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Why is Postfix using a lookup table?
I am trying to send mail locally using Postfix. What I can't understand, is why a lookup table is being used.
I am attempting a minimal Postfix build from source, so have omitted berkley DB support. ...
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What are OpenSSL 3's "auto" DH parameters?
The Postfix documentation says the following:
With Postfix ≥ 3.7, built with OpenSSL version is 3.0.0 or later, if the parameter value is either empty or "auto", then the DH parameter ...
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Postfix: check sender IP but don't reject
I need to do the following with Postfix: when receiving mail from remote server, check sender IP with various blacklisting services (e.g. spamhaus or abuseipdb), but avoid rejecting mail automatically,...
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How to configure a postfix mail server for multiple domains with SPF, DKIM & DMARC?
I have a postfix mail server that is properly configured to receive and send mails for A.com. SPF and DKIM are configured. I still have to configure DMARC. The reverse DNS is set for A.com.
I would ...
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OpenSMTPD from address rewrite
I am trying to use OpenSMTPD to re-write all instances of the from-address in an email header. Here's the scenario I'm trying to solve for...
I have an email distribution list that various people ...
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New user does not have a Postfix `Maildir` directory?
I am attempting to have multiple user accounts, each capable of receiving their own mail in their own Maildir directory. When I add a new user account however, no Maildir directory structure is ...
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How to correctly use Postfix virtual aliases?
All emails sent to my email server arrive in the inbox of root, regardless of the user specified in [email protected].
My virtual file in /etc/postfix/virtual is:
[email protected] username1
query1@...
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Multiple Domains, Single IP Blocked by Gmail
I have two domain names and 1 email server.
When I send an email from my server to my gmail account, and then view the original message, emails from both domains are stated to:
Pass SPF
Pass DKIM
...
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How to prioritise one domain name over others in rDNS?
I have a single remote server and multiple domain names. This server hosts webpages under certain domain names - say domain1.com - and hosts a webpage with an associated mail server under a separate ...
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Mail Server and Google Mail
Issue
I have just set up an email server using Postfix, POP3 and IMAP, following the instructions listed here:
https://help.ubuntu.com/community/PostfixBasicSetupHowto
Sending/receiving mail locally ...
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