On Tuesday, May 11, 2010 06:07 AM, Craig White wrote: > On Mon, 2010-05-10 at 20:33 +0200, Alexander Dalloz wrote: >> Am 10.05.2010 14:02, schrieb Brian McKerr: >> >>> I use Mailscanner with postfix and Mailwatch to manage quarantine etc; >>> >>> http://mailscanner.info/ >> >> I don't intend to start a flamewar, but given Wieste's repeated warnings >> on the Postfix mailinglist[1] and expressed on >> >> http://www.postfix.org/addon.html >> >> as >> >> "mailscanner system, works with Postfix and other MTAs. WARNING: This >> software uses unsupported methods to manipulate Postfix queue files >> directly. This will result in corruption or loss of mail. The >> mailscanner authors have sofar refused to discuss a proper access API or >> protocol." >> >> I call that combination not being best practice. > ---- > clearly this is a personal issue that Wietse has with Julian (the author > of MailScanner) and I can assure all that it works fine with Postfix and > has never caused either corruption or loss of mail on many servers that > I have configured to use both. There are also a lot of users who run > MailScanner with Postfix. > I don't know about that. If it was sendmail, fine because sendmail does provide mechanisms for multiple access to a mail in the queue which is how sendmail itself treats mails in the queue when you have multiple queue runners. I have not used exim so as far as I know, only sendmail actually tolerates a third-party touching mails in the queue.