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Let’s do Postfix slowly and properly – Part 8: PTR and SPF records

The easiest way to increase your odds of not getting rejected as a spammer when talking to other MTAs.

Post date August 12, 2020
Post categories In Linux, Server

Using Rsync on Android: Getting Syncopoli talking to the rsync daemon

Transferring files from your linux host to your phone using good ol’ rsync

Post date January 12, 2020
Post categories In Linux, Phone, Server
5 Comments on Using Rsync on Android: Getting Syncopoli talking to the rsync daemon

Inspecting HTTP headers with tshark

A step-by-step guide to excluding everything but http headers from sniffing results.

Post date September 2, 2018
Post categories In Linux

Let’s do Postfix slowly and properly – Part 5: Relaying from the local network

Understanding how Postfix makes decisions regarding relay, i.e. whether or not to pass on the mail submitted to it.

Post date November 1, 2015
Post categories In Linux, Server

Let’s do Postfix slowly and properly – Part 4: Virtual domains

Replacing local accounts with virtual accounts – and understanding the difference

Post date October 26, 2015
Post categories In Linux, Server

Let’s do Postfix slowly and properly – Part 2: Address manipulation

Tweaking a local postfix setup with aliases, .forward and more.

Post date October 18, 2015
Post categories In Linux, Server

Let’s do Postfix slowly and properly – Part 1: A simple local mail receiving server

Because simple is the best starting point.

Post date October 15, 2015
Post categories In Linux, Server

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