postfix - Spheron1

February 11, 2012

Missing Parallels Plesk for Linux updates

If you’re using Parallels Plesk 9.x with Postfix as the MTA, there appears to be a bug which can stop Plesk from displaying important updates that are available, including the micro-updates which provide important bug fixes and security updates. If you are using the Updates section of the Plesk web interface, then no error message is displayed, so it just...

Plesk Comments: 0

April 5, 2011

Preventing backscatter on aliased domains in Zimbra

By default, an aliased domain in Zimbra will accept all e-mail at SMTP time and then bounce a message later if it is unable to delivering it after carrying out the aliasing. This generates backscatter, which can be abused and even lead to your mail server appearing on some blacklists. Luckily, since Zimbra 5.0.12 there has been a way to...

Zimbra Comments: 0

June 11, 2010

Parallels Plesk 9.5.1/9.5.2 and Greylisting

In April’s Plesk 9.5.1 update (following on from 9.3.x – apparently Parallels can’t count so just skipped 9.4.x and 9.5.0 entirely…) they managed to seriously break one of the great Plesk 9 features for Postfix users… greylisting! One of the big improvements when Plesk 9 was released (apart from ditching QMail!) was that it no longer relied upon unsupported third...

Plesk Comments: 0

Tag: postfix

Missing Parallels Plesk for Linux updates

Preventing backscatter on aliased domains in Zimbra

Parallels Plesk 9.5.1/9.5.2 and Greylisting