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Category Archives: Email
add utf8 subject support to mailwatch 1.0.5
In mailwatch v1.0.5, if the subject of a message is utf8 encoded, it can’t display correctly on the message list page. All the non-ascii characters will be replaced with question mark. For example. the subject “我爱Linux” will appears as “??Linux”. … Continue reading
Sendmail relay to non standard smtp port via mailertable
The Sendmail mailertable is used to route email. By default, the Sendmail smtp delivery agents used to relay mail will connect to other host through the standard SMTP port 25. From the Sendmail FAQ How do I send using an … Continue reading
php security: disable functions
Case Study: Some small hosting company provides web hosting service to its clients. The machine runing web server also acts as an email server, which function very well. Then one day, one of its client wrote some php scripts, which … Continue reading
Posted in Email, Security, System Administration, Web
Tagged disable_functions, fastcgi, php, php.ini
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check_mailstat.pl: a nagios plugin for monitoring mail server statistics
mailgraph is a good tool at analysing mail server log, it supports many MTA(including sendmail, postfix, exim,etc.), with support for mailscanner,spamassassin,etc. As a whole, mailgraph can tell mail server statistics like how many messages sent/ received/ bounced/ rejected/ virus/ spam … Continue reading