How to check spamming in Zimbra

 To check which user has  and used that email address for spamming  grep sasl_user /var/log/zimbra.log | sed 's/.*sasl_username=//g'...

exclude string from file in linux

 cat file | grep -v "011"

Remove white space from file in linux

 sed 's/[\t ]//g;/^$/d'  filename

Shell script to check the memory usage on a Linux server

#!/bin/bash # Get the total memory available total_memory=$(free -m | grep 'Mem:' | awk '{print $2}') # Get the used memory ...

Zimbra create catcall account

 zmprov modifyAccount catchall@domain.com zimbraMailCatchAllAddress @domain.com