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  1. #1
    Senior Member Corrado Fiore's Avatar
    Join Date
    Mar 2004
    Milan, Italy

    Default The email business

    Dear All,

    in an effort to help WH build the best hosting environment available, I'd like to share some thoughts.

    Having been a WH reseller for a couple of years, and dealing mostly with business clients, I've seen mail services become more and more the core of my hosting business - much more than web services.

    Now that server space is affordable, advanced webmail services are replacing the old offline client like Thunderbird or Outlook - mostly because of ubiquity and automatic backups.

    On a commercial standpoint, very few companies have gigabyte-sized websites, but almost every user has one or two gigabytes of emails -- growing every day! Emails are the new kind of data we shall sell space for.

    How does WH compare to competitors? Are we ready to host our clients' gigabytes of email? Yes and no.

    The bright side: Sendmail, RTBL, Procmail, SpamAssassin. All of them are rock-solid, completely configurable (a BIG plus), easy to setup. A bit of knowledge is required to reach a > 95% filtering with SA, but overall that's a state-of-art setup, and WH disk performance is quite good in my experience.

    The not-so bright side: mailbox size, WU IMAP, mbox format, webmail apps.

    Let's start from mailbox size. Limiting it to 50 MB is something we can't even tell to the client: "Are you saying I'm paying for having a 50 MB mailbox, when Gmail offers over 5 GB for free?".

    So, why limiting? Because we are still stuck to POP3 & the ancient MBOX format ("one big file to keep them all") to store users' email. A big mbox file requires continuous parsing, i.e. an awful lot of disk activity & CPU cycles. Better keep it small (under 50 MB).

    As WH launched IMAP services, I thought that finally there was a way to get over that limit. All clients' email would have been stored on server (that's what IMAP is for), clients would have purchased more space and we all have done a good business.

    In brief, my experience with WU IMAPD has been a total disaster. After I converted some companies' email systems to IMAP, I was quickly recalled by angry clients who couldn't even access their email (most of them were on a ded machine with RAID disks). UW IMAPD has proven so slow as to be useless.

    As far as I can tell, that was again a matter of mailbox format. UW IMAPD uses mbox, too. That's why also IMAP boxes cannot be set to hold over 50 MB of data. But 50 MB is the amount of email a heavy customer (like a graphic designer) receives in half a day... so goodbye IMAP.

    Finally, webmail apps are still at an early stage at Westhost. The default webmail is Uebimiau, which is so weak I had to replace with Telaen on almost all my accounts. Uebimiau has severe performance limits when logging in and makes folder management too difficult for the average user.
    The newcomer Roundcube is certainly a nice app, but can do IMAP only, and we've seen the disaster with UW IMAPD.

    What is needed is a collaboration suite (email + tagging + calendar + personal web disk) where our users can store their gigabytes of data safely. Other hosting companies are providing such suites, both as services and as GPL applications.

    That collab suite should interact with a high-performance IMAP server, such as Dovecot, which must keep ALL messages (also the inbox) in Maildir format. Maildir (one folder with 1 file per message) performs much better than mbox and can easily hold hundreds of megabytes. I speak from personal experience, since Telaen (and Uebimiau) store sent messages and users' folders using that format and I have had no performance problems until now.

    In brief: please replace WU IMAPD with Dovecot + Maildir... and let us sell gigantic mailboxes with gigabytes of space!

    Thanks for listening.

    Corrado Fiore

  2. #2
    Join Date
    May 2003
    Providence, UT



    Great post and I agree with most of your comments. maildirs is something on the map and does need to be addressed soon so our platform can stay competitive and meet the needs of our clients.
    Last edited by WestHost - CRussell; 11-28-2007 at 04:48 PM.

    Christopher Russell
    President / CEO
    WestHost Inc.

    When you expect more from your Web host

  3. #3
    Junior Member
    Join Date
    May 2008

    Default second

    I just want to second everything written here. Westhost is great, but these email problems are proving to be a nightmare for me. I am not a reseller, but a graphic designer who regularly sets up hosting accounts for my clients. These changes are EXACTLY what I need to keep my business here.

  4. #4


    Has anyone here looked at what the top layer would be? I know there's projects like phpgroupware/egroupware. What other players are in the space and what's everyone like?

  5. #5
    Senior Member Corrado Fiore's Avatar
    Join Date
    Mar 2004
    Milan, Italy


    Quote Originally Posted by corvus View Post
    Has anyone here looked at what the top layer would be?
    That's a really good question. From a usability / performance standpoint, I would recommend Roundcube webmail. Newer versions feature a three-pane interface which resembles Outlook and Thunderbird, thus making the switch relatively pain-free even for non-geeks. Also, there's a patch which enables management of _BIG_ attachments using PHP streams, i.e. without eating up all available PHP memory.

    On the other hand, if you're looking for a "all-in-one" calendaring, workgroup and messaging solution, you might want to look at some other products like Joyent Connector (which is developed using Rails). It was made free and open source a couple of months ago and seems promising to me. The email client deals with any IMAP servers, so it's basically like Roundcube + calendaring and agenda. Beware: it's still in semi-beta and installation seems like a pain. Not yet ready for prime time, IMHO, but WH techs might want to evaluate it for an inclusion among our ValueApps (hint, hint)

    Corrado Fiore

  6. #6
    Junior Member
    Join Date
    May 2008

    Default better imap please

    I agree with the original poster. I contacted Westhost tech support and was assured that I could move my clients over to imap - no problem. Well, there are problems - plenty of them!. The imap server is almost completely useless. When you use Outlook 2007 as the client, it won't let you create subfolders and it times out randomly every time you use it. I really looked stupid to my clients because I explained to them all the cool benefits of imap. I hate looking stupid to a client especially after I checked it out with tech support. I have been using the imap service on my westhost account with Thunderbird and it worked sorta ok - I finally moved over to gmail and it works much better.

    Westhost - please help us out with this one. I've heard zimbra (at has a good collaboration product and a really nice ajax webmail client.

    I'm going to experiment with this dovecot beast but I am a bit worried about the procmail stuff.

    Lets see how it goes

  7. #7
    Junior Member
    Join Date
    Jun 2008


    Yes the email situation is almost unacceptable....this is 2008 right?

  8. #8


    Quote Originally Posted by spolit View Post
    ...The imap server is almost completely useless. When you use Outlook 2007 as the client, it won't let you create subfolders and it times out randomly every time you use it. I really looked stupid to my clients because I explained to them all the cool benefits of imap...
    I was just about to install IMAP Server for a client and this post stopped me cold. I checked out Zimba and the free version is quite loaded with features, however, with online backup/retrieval not one of them, $25/year per user is a small price to pay if you're dealing with a small firm and limited email addys. However, installing a mail server is not something I want to crunch my brain cells around. Dovecot sounds like it would do the job, but Zimbra Collaboration Suite takes a big step into the future with its ability to create mashups with 3rd party apps and support for search, tagging, sharing, RSS & VoIP. There didn't seem to be much info on scalability though.

    Personally, I think it would be fabuloso if WH would consider an app that offers their clients a collaboration suite. Would users pay extra? I bet they would.

  9. #9
    Junior Member
    Join Date
    Jul 2008


    I nominate Zimbra as well.

  10. #10

    Default Dovecot IMAP Server

    In response to your feedback we will be releasing a Dovecot IMAP Server site application, which will include full maildir support. Additionally, nested folders will be available when used in conjunction with a e-mail client that supports it.

    Unlike the existing IMAP server, Dovecot will require that you have a dedicated IP address for your account (whether you have a shared or dedicated IP address is shown on the top of the first page of Site Manager). I can't promise an exact date on when it will be available, but it will be within the next few weeks.

    Zimbra does look like great, but unfortunately the current VPS design prevents us from releasing it as a site application.
    Jonny Fillmore
    Senior Technical Engineer
    Phone: 1-800-222-2165
    FAX: 435-755-3449

    When you expect more from your Web host

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