Allow large attachment (greater than 10MB) in ISPConfig postfix MTA Rumi, March 4, 2018 Just a small hack, but worked good on my ISPConfig 3 setup. Add the following: nano /etc/postfix/main.cf mailbox_size_limit = 104857600 Save and restart postfix service. According to official postfix documentation: message_size_limit (default: 10240000) The maximal size in bytes of a message, including envelope information. Note: be careful when making changes. Excessively small values will result in the loss of non-delivery notifications, when a bounce message size exceeds the local or remote MTA’s message size limit. Additionally, the default mailbox size of 50M may prevent mail from being delivered, especially after increasing the permitted message size. To increase maximum per user mailbox size, add mailbox_size_limit = <size in bytes> to main.cf. Additionally, as Ian Sparkes commented, if you are using a virtual mailbox configuration, you might need to set virtual_mailbox_limit = <size_in_bytes>. You may use the postconf tool to check the currently configured value: postconf message_size_limit Related Administrations Configurations (Linux) ISPConfigMTAPostfix
Zimbra Exporting all mail addresses April 26, 2018April 26, 2018 Exporting all addresses (mailboxes, aliases and distribution lists) is a vital tool if you have a backup MX and only want it to accept email for valid recipients. One reason for that is to stop spammers who simply use a dictionary of common names to generate recipient email addresses which… Read More
Install ClamAV on CentOS 6 May 23, 2020 Step 1. First add yum repository your system. The EPEL repo is enabled by simply installing an RPM. Please use the command below to install the EPEL repository on your CentOS server. #CentOS 6 – 32-bit rpm -Uvh http://mirror.overthewire.com.au/pub/epel/6/i386/epel-release-6-8.noarch.rpm #CentOS 6 – 64-bit rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Step 2. Install required ClamAV packages…. Read More
Check Hardware Commands in Linux November 5, 2015 1. lscpu The lscpu command reports information about the cpu and processing units. It does not have any further options or functionality. $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 4 Socket(s): 1… Read More