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    Finding the Best Open Source Email Solutions

    IT Discussion
    email smtp open source zimbra zafara kopano zentyal iredmail
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    • D
      dbeato
      last edited by

      All the Zimbra Servers we have are either hosted locally or cloud based.

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      • S
        scottalanmiller @dbeato
        last edited by

        @dbeato said in Finding the Best Open Source Email Solutions:

        @scottalanmiller Do you mean you host it with this company?
        https://twitter.com/hostingdch

        No, who is that?

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          scottalanmiller @dbeato
          last edited by

          @dbeato said in Finding the Best Open Source Email Solutions:

          All the Zimbra Servers we have are either hosted locally or cloud based.

          What's the other option?

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          • D
            dbeato @scottalanmiller
            last edited by

            @scottalanmiller It is a Chilean hosting company, that doesn't host Zimbra for email.

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            • D
              dbeato @scottalanmiller
              last edited by

              @scottalanmiller Do you mean other hosting or other Email Solution?

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                scottalanmiller @dbeato
                last edited by

                @dbeato said in Finding the Best Open Source Email Solutions:

                @scottalanmiller Do you mean other hosting or other Email Solution?

                I mean besides hosted or on premises.

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                  dbeato @scottalanmiller
                  last edited by

                  @scottalanmiller Collocation in a Datacenter.

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                  • B
                    black3dynamite
                    last edited by

                    Comcast Webmail is also using Zimbra.

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                    • S
                      StrongBad @black3dynamite
                      last edited by

                      @black3dynamite said in Finding the Best Open Source Email Solutions:

                      Comcast Webmail is also using Zimbra.

                      Not the best endorsement.

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                      • S
                        scottalanmiller
                        last edited by

                        Just following up. We've been using Zimbra now for quite some time more. It's been another year. The product has improved slightly, we've had a few hiccups in patching and cert management (their system is ridiculous, but it is scripted by now.) We have improved SPAM handling dramatically. We went through an IP black list and added MailGun to handle our outgoing email reliability which has been great.

                        Overall, another year and extremely happy with being on Zimbra.

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                          Dashrender @scottalanmiller
                          last edited by

                          @scottalanmiller said in Finding the Best Open Source Email Solutions:

                          Just following up. We've been using Zimbra now for quite some time more. It's been another year. The product has improved slightly, we've had a few hiccups in patching and cert management (their system is ridiculous, but it is scripted by now.) We have improved SPAM handling dramatically. We went through an IP black list and added MailGun to handle our outgoing email reliability which has been great.

                          Overall, another year and extremely happy with being on Zimbra.

                          Where you on a shared IP? If not, why were you having blacklist problems?

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                          • S
                            scottalanmiller @Dashrender
                            last edited by

                            @Dashrender said in Finding the Best Open Source Email Solutions:

                            @scottalanmiller said in Finding the Best Open Source Email Solutions:

                            Just following up. We've been using Zimbra now for quite some time more. It's been another year. The product has improved slightly, we've had a few hiccups in patching and cert management (their system is ridiculous, but it is scripted by now.) We have improved SPAM handling dramatically. We went through an IP black list and added MailGun to handle our outgoing email reliability which has been great.

                            Overall, another year and extremely happy with being on Zimbra.

                            Where you on a shared IP? If not, why were you having blacklist problems?

                            No, not a shared IP. That's not how Microsoft and Spamhaus do blacklisting. It has nothing to do with abuse from your IP. They block indiscriminantly.

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                            • D
                              dave_c @scottalanmiller
                              last edited by

                              @scottalanmiller
                              My Open Source solution of choice is Mailcow. But I am looking for a good relay for cPanel and I am considering the obvious: MailChannels. But open to options.
                              MailGun Pay as you go looks interesting but I have read that some users have experienced some intermittent relay denials. I am guessing that they are on the free tier.
                              Are you on the Pay as you Go plan or other? Any problem whatsoever?

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                              • S
                                scottalanmiller @dave_c
                                last edited by

                                @dave_c said in Finding the Best Open Source Email Solutions:

                                @scottalanmiller
                                My Open Source solution of choice is Mailcow. But I am looking for a good relay for cPanel and I am considering the obvious: MailChannels. But open to options.
                                MailGun Pay as you go looks interesting but I have read that some users have experienced some intermittent relay denials. I am guessing that they are on the free tier.
                                Are you on the Pay as you Go plan or other? Any problem whatsoever?

                                I'm not sure the name of the plan, but we pay per email sent. Which comes out to something silly like $3 a month.

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                                  dave_c @scottalanmiller
                                  last edited by

                                  @scottalanmiller
                                  Awesome, thank you

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                                  • S
                                    scottalanmiller @dave_c
                                    last edited by

                                    @dave_c said in Finding the Best Open Source Email Solutions:

                                    @scottalanmiller
                                    Awesome, thank you

                                    No problem. And for clarity that was the price for the whole company not per user.

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                                    • IRJI
                                      IRJ
                                      last edited by

                                      That's time of my life I can never have back....

                                      a4563263-be3a-46f3-9f13-7870402bca22-image.png

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                                      • A
                                        Alex Sage @dave_c
                                        last edited by

                                        @dave_c said in Finding the Best Open Source Email Solutions:

                                        @scottalanmiller
                                        My Open Source solution of choice is Mailcow.

                                        How are you liking Mailcow? Any issues?

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                                        • A
                                          Alex Sage @thwr
                                          last edited by

                                          @thwr said in Finding the Best Open Source Email Solutions:

                                          @scottalanmiller said in Finding the Best Open Source Email Solutions:

                                          I am trying to track down the best of the open source email offerings and figure out which is good, which is bad, what is unique and why to choose one over another. So far, these are the known high end candidates of which I am aware.

                                          • Zimbra
                                          • Kopano
                                          • Zentyal
                                          • iRedMail

                                          Does anyone have any input into what is good or bad, or any candidates that are missing from the list? I've not included some things like RoundCube which is just a client and not an email system. RoundCube could be used with any of these products, for example.

                                          I'm a big fan of the classic Postfix + Dovecot (still in use/maintained?) + MariaDB/MySQL/PostgreSQL + SpamAssassin + ClamAV + Sieve + Roundcube combo. There's a pretty cool managesieve plugin for Roundcube which allows you to create filters from within the webmailer.

                                          But it's a lot of work to get everything running.

                                          Sounds like https://mailinabox.email/

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                                          • D
                                            dave_c @Alex Sage
                                            last edited by

                                            @Alex-Sage
                                            I like it a lot. My opinion:

                                            The good

                                            • Great features: Sieve, rspamd, SOGo (or roundcube), full access to Postifx and others for customization
                                            • Good community: @andryyy is awesome, and he is not alone!
                                            • Light
                                            • Semi white label
                                            • I will stop, you are asking for issues

                                            The bad

                                            • There can be issues with updates, so it is a good idea to watch github for issues and also Mailcow's news feed. I learnt the bad way to wait a bit before upgrading
                                            • I believe that it is not truly ready for commercial use. The main author has been burned by commercial users not supporting the project so features mostly useful for commercial use are not a priority
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