Although this seems to be a mainly development-oriented list, maybe someone can answer a few questions :-)
We (2) have been running a qmail environment (with nowadays up to a million transactions a day) for nearly 15 years, and have been patching qmail-smtpd heavily for most of the time, with collected and our own patches. Both of us feel much more comfortable in changing perl, especially for "policy" changes. So, here are the questions: 1. How many SMTP sessions can be expected on commodity hardware under Linux (RedHat), with prefork? How many with async? Has anyone tried using qpsmtpd qith Coro? 2. How fast is this (I've read Chris Lewis saying 300 sessions/sec)? 3. Has anybody got experience with greylisting for multiple servers? Right now we are sending an UDP packet per transaction to a central greylisting server (in Perl, thanks to John Levine), this should be easily portable to a qpsmtpd plugin. 4. Is this the right place for bug reports about included plugins? Thanks for any help Jost -- | jost.krieger+...@ruhr-uni-bochum.de Please help stamp out spam! | | Postmaster, JAPH, resident answer machine at RUB Comp. Center | | Sincere words are not sweet, sweet words are not sincere. | | Lao Tse, Tao Te King 81 |
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