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How to change the welcome email message text in ISPConfig 3

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As of ISPConfig 3.0.4, the text of the welcome email message that is sent to new email accounts is stored in the folder /usr/local/ispconfig/server/conf/mail/. The message has this format: ------------------------------------------------------------------------ From: ISPConfig <postmaster@localhost.localdomain> Subject: Welcome to your new email account. Welcome to your new email account. Your webmaster. ------------------------------------------------------------------------ The first line starts with "From: ... Read more

Fix for OpenSuSE error: postfix/master: fatal: 0.0.0.0:smtps: Servname not supported for ai_socktype

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You might see the error: postfix/master[5309]: fatal: 0.0.0.0:smtps: Servname not supported for ai_socktype On a OpenSuSE server when you enable smtps in postfix master.cf file. The reason for the error is that the definition of the smtps port in /etc/services is missing. Solution Edit the /etc/services file vi /etc/services and add the following lines: smtps ... Read more

How to renew the SSL certificate for dovecot on Ubuntu Linux

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To create new SSL certificates for the dovecot pop3 and imap server on Ubuntu, follow these steps: Make a backup copy of the old key and certificate file sudo cp /etc/ssl/private/dovecot.key /etc/ssl/private/dovecot.key.old sudo cp /etc/ssl/certs/dovecot.pem /etc/ssl/certs/dovecot.pem.old Create the new key file openssl genrsa -out /etc/ssl/private/dovecot.key 1024 Create the new certificate file, valid for 2 years ... Read more

How to disable spamfilter- and antivirus functions in ISPConfig 3

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If you use a mailserver wil very low ram (< 500 MB) and a slow CPU then it might be nescessary to disable the spam- and antivirus filter functions in ISPConfig 3 as amavisd and clamav might be too heavy for your server hardware. The steps to disable clamav and amavisd are: Edit postfix main.cf ... Read more

How to solve the ClamAV error “This version of the ClamAV engine is outdated” on Debian 5.0 (Lenny)

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As of today, all ClamAV 0.94 or older installs will stop working. The Debian project has not released updates for their current stable release (5.0) yet to solve this, but there is a workaround. The Debain volatile project provides newer clamav versions. The installation steps to install ClamAV 0.95.3 on Debian lenny are: 1) Add ... Read more

How to renew SSL certificates for courier pop3 and imap server on Debian or Ubuntu?

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This articles describes the renewal of SSL certificates for courier pop3 and imap server. This is nescessary e.g. when the certificates are expired or contain the wrong hostname. First delete the exsiting certificates: rm -f /etc/courier/imapd.pem rm -f /etc/courier/pop3d.pem Then edit the template that contains the details for the ecrtificates so that the hostname in ... Read more