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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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    • scottalanmillerS
      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.

      1 Reply Last reply Reply Quote 1
      • 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?

        scottalanmillerS A 3 Replies Last reply Reply Quote 0
        • scottalanmillerS
          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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          • D
            dave_c @scottalanmiller
            last edited by

            @scottalanmiller
            Awesome, thank you

            scottalanmillerS 1 Reply Last reply Reply Quote 0
            • scottalanmillerS
              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.

              1 Reply Last reply Reply Quote 0
              • 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?

                  D 1 Reply Last reply Reply Quote 0
                  • 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/

                    1 Reply Last reply Reply Quote 0
                    • 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
                      1 Reply Last reply Reply Quote 0
                      • scottalanmillerS
                        scottalanmiller
                        last edited by

                        It it isn't ready for use, what's it for?

                        D 1 Reply Last reply Reply Quote 0
                        • D
                          dave_c @scottalanmiller
                          last edited by dave_c

                          @scottalanmiller
                          If you are referring to my "not truly ready for commercial use" comment:
                          With commercial use I meant "commercial mail hoster". An example would be the fact that mailcow uses Let's Encrypt to give each handled domain a SSL certificate, but that puts a limit of a 100 domains per server: https://github.com/mailcow/mailcow-dockerized/issues/461
                          Also, it is not easy to add high availability

                          Otherwise, it is a very good platform. I have production servers and hundreds of mailboxes

                          Edit: Commercial e-mail hoster is better than previous commercial web mail hoster

                          scottalanmillerS 1 Reply Last reply Reply Quote 0
                          • scottalanmillerS
                            scottalanmiller @dave_c
                            last edited by

                            @dave_c that's a weird use of the term commercial. 🙂

                            D 1 Reply Last reply Reply Quote 0
                            • D
                              dave_c @scottalanmiller
                              last edited by

                              @scottalanmiller
                              I agree: My mistake

                              1 Reply Last reply Reply Quote 0
                              • scottalanmillerS
                                scottalanmiller
                                last edited by

                                We just use our email internally, too. Not for hosting. We used to host, but a decade ago.

                                1 Reply Last reply Reply Quote 0
                                • scottalanmillerS
                                  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.

                                  I'm looking into MailCow now with the holidays approaching (a little more free time... hahaha, not really) and it looks really slick.

                                  D 1 Reply Last reply Reply Quote 0
                                  • D
                                    dave_c @scottalanmiller
                                    last edited by dave_c

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

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

                                    @scottalanmiller
                                    My Open Source solution of choice is Mailcow.

                                    I'm looking into MailCow now with the holidays approaching (a little more free time... hahaha, not really) and it looks really slick.

                                    Free time? What is a "free time"?

                                    scottalanmillerS 1 Reply Last reply Reply Quote 0
                                    • scottalanmillerS
                                      scottalanmiller @dave_c
                                      last edited by

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

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

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

                                      @scottalanmiller
                                      My Open Source solution of choice is Mailcow.

                                      I'm looking into MailCow now with the holidays approaching (a little more free time... hahaha, not really) and it looks really slick.

                                      Free time? What is a "free time?

                                      The time I'm sitting waiting for Comcast networking to catch up 😉

                                      DonahueD 1 Reply Last reply Reply Quote 1
                                      • DonahueD
                                        Donahue @scottalanmiller
                                        last edited by

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

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

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

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

                                        @scottalanmiller
                                        My Open Source solution of choice is Mailcow.

                                        I'm looking into MailCow now with the holidays approaching (a little more free time... hahaha, not really) and it looks really slick.

                                        Free time? What is a "free time?

                                        The time I'm sitting waiting for Comcast networking to catch up 😉

                                        ah yes, comcast time. That is coincidentally the same time that is used for when you make an appointment. between 8 and 2

                                        1 Reply Last reply Reply Quote 1
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