Monthly Archives: September 2013

Zimbra 8 – Adjust max attachment size for email

This sets the maximum attachment size to 50 megabytes. Log into the shell account and type the following:

su zimbra
zmprov mcf zimbraMtaMaxMessageSize 50000000
zmprov mcf zimbraFileUploadMaxSize 50000000
zmprov mcf zimbraMailContentMaxSize 104857600

zmprov modifyConfig zimbraMtaMaxMessageSize 5048000
postfix reload

Then restart zimbra

zmcontrol restart

Windows Powershell / Script – Delete old files older then X days

forfiles -p "C:\what\ever" -s -m *.* /D -<number of days> /C "cmd /c del @path"

Source – Stackoverflow

For directories with millions of files…

dir |? {$_.CreationTime -lt (get-date).AddDays(-8)} | del -whatif

(remove the -whatif to make it happen). The whatif previews the changes.

Source – Server Fault

Linux Bash – Delete old directories and files

To remove files older then 5 days:

find /path/to/files* -mtime +5 -exec rm {} \;

Source

To remove files and directories older then 3 days:

find /path/to/dir/ -type d -mtime +3 -exec echo "Removing Directory => {}" \; -exec rm -rf "{}" \;

Source

Zimbra 8 – Backing up Zimbra

A shell script for backing up Zimbra can be found here:Git Hub: Zmbkpose

Forum post about it can be found here.

Trouble Shooting MS DTC [Distributed Transaction Coordinator]

Making sure ASP.NET applications communicating with SQL Server via MS DTC can be a pain. To configure MS DTC, run the command ‘dcomcnfg’ from Start Menu => Run.

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by Alex Kuo