Contact Us  |  Log In  |  Sign Up

MailSite Blog

Product, Technology and Support news relating to MailSite email, calendar and contact server software

IMAP Performance Improvements in MailSite 10 (part 2)

In a previous blog post we described the pipelining performance optimizations we made in MailSite 10 to improve IMAP and TLS connections. This wasn't all we did in MailSite 10, we also decided to tackle a long standing protocol flaw in IMAP; the ability to query for changes to a folder, especially in modern mail folders which could easily contain 10,000s of email messages. [More]

IMAP Performance Improvements in MailSite 10 (part 1)

After performance tuning our ActiveSync V14 support in MailSite 10.0, we found to our surprise that syncing a large account was dramatically faster than it was against our IMAP server. In both cases the vast majority of the data transferred must be identical message data, so it ought to be the case that the sync times are very similar. This led us to set up an experiment to examine our IMAP performance in more detail; an exercise which turned out to be a very fruitful indeed. [More]