I would like recommendations for an email client with low (and configurable) disk space utilization, for Windows. Good Gmail support is a big plus.


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    What features do you want in it? POP3 support? IMAP support? Rich text rendering? HTML rendering? How do you define 'good GMail support'? Why doesn't a web browser satisfy this requirement? As written, this question is uselessly broad; please provide more detail regarding your requirements. Apr 15, 2018 at 13:28
  • beside that how much disk-space it will consume over all at the end will mainly depend on how you configure your client to handle/download/save your mails on you local computer. - not to mention your chosen protocol (IMAP/POP3)! Apr 15, 2018 at 13:48
  • @JeffZeitlin Gmail is IMAP, but has peculiarities. For example, it allows the user to attach multiple tags to emails. Some email clients support this by making each tag a folder, and creating multiple copies of the message. I wonder if there is a better way. HTML rendering is necessary. Rich Text is not, because it's normally converted to HTML. Gmail's web interface is adequate, barely, but it could be much better.
    – theglauber
    Apr 17, 2018 at 21:35
  • @DJCrashdummy True, of course, but i was wondering if somewhere, in this vast world, someone has created an imap client that is careful with disk usage.
    – theglauber
    Apr 17, 2018 at 21:36
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    Your requirements are still very broad; please edit the question to provide more detail. (I should note that I am using GMail with a pure POP3/SMTP client, but I also don't use GMail's tagging.) Apr 18, 2018 at 8:24

1 Answer 1


i may suggest Thunderbird, but no idea if it fits your bill since your requirements are still very vague...

but at least i can tell:

  • it is FOSS and multiplatform available for Windows, MacOS and Linux.
  • beside IMAP, POP3 and SMTP it also supports XMPP, Newsfeeds, etc.
  • the disk space usage of the programm itself is - compared to other lightweight mail-clients - not that small, but sightly smaller compared to MS Outlook.
  • you can set the usage of disk storage for every account separately and limit it by folder, size or time.
  • you also have an option to completely delete messages more than a specified number or older than a defined time.
  • html and plain text is supported for reading and writing.
  • a learning spam-filter is also included.
  • it has a pretty good advanced filter, which can be saved as virtual folders.
  • marking messages and tagging is also supported and synced (via IMAP).
  • it also provides a system for add-ons which add numerous functions like CardBook (advanced address-book with CardDAV-support), Lightning (calendar with CalDAV-support), Enigmail (PGP-encryption),...

i have no idea about a google-support, since i don't use it and IMHO it isn't necessary at all. if it isn't induced (in a satisfying way), maybe you can find something at https://addons.mozilla.org/thunderbird/.

  • 1
    Thank you. Interestingly, i started with Thunderbird, and it seems i'm staying with it, at least for now.
    – theglauber
    Apr 26, 2018 at 20:21

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