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Cloudron Forum

Apps | Demo | Docs | Install

How good is the mail server?

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  • StardenverS Offline
    StardenverS Offline
    Stardenver
    wrote on last edited by
    #1

    Hi all

    As I am pretty happy with Cloudron, I am considering moving my mails from Google Workspace to my Cloudron Instance. Before doing this, I would like to hear about your experiences with it. I did run my own mailservers before, but actually I was using rspamd instead and it fells like I am a bit less in control when it comes to mail-handling in Cloudron.

    Are you happy with how the mail server works? What about spam? Any problems? I do have a few domains and some of them are pretty old and therefor I am always getting a few spam mails. In general I receive like 30-50 mails per day and another 20-30 spam mails. At least thats the amount of spam ending up in my spam folder. Don't know about bounced spam mails.

    Can some of you guys share your experience with Cloudron as a main mail-server?

    Thanks all

    robiR 1 Reply Last reply
    2
  • robiR Offline
    robiR Offline
    robi
    replied to Stardenver on last edited by
    #2

    @Stardenver it works well. It's uses Haraka under the hood with SpamAssassin. You may have to train SA for your specific spam types, but there's a good thread here on the forum where someone optimized the rules for it.

    rspamd is something being looked at as an upgrade/addon, but there have been no commitments.

    Life of sky tech

    1 Reply Last reply
    4
  • jdaviescoatesJ Offline
    jdaviescoatesJ Offline
    jdaviescoates
    wrote on last edited by jdaviescoates
    #3

    I've not had any email issues that weren't caused by me forgetting to check the blacklist status of the IP address of a new server. That was a bit painful as suddenly my emails were getting rejected, but solved it in the end but jumping through the various hoops spamlist people make you jump through (and I wont make that mistake again - if I ever need to move server again, I'll check the health of the IP address first and if it isn't good will either request another from the host, or do the work to get it off spam blacklists before migrating)

    I use Cloudron with Gandi & Hetzner

    1 Reply Last reply
    3
  • JOduMonTJ Offline
    JOduMonTJ Offline
    JOduMonT
    wrote on last edited by
    #4

    the Cloudron mail configuration respect all the necessary security stuff DKIM, DMARC, SPF and does it automatically for you.

    While if the Mail Server is fine to receive; to send, you will more relay on the reputation of your IP and neighbourhood; and even by marking perfect with this kind of test which are very legitimate and well seen. You will still might have an issue to send email to people/company who are using the big one like Google Mail, Microsoft, ...

    The thing is Google will suggest you to register your domain with their Postmaster services while Microsoft will simply ignore you (I'm might not being update on that part).

    To bypass this issue; again Cloudron do well, you could rely on a relay but then again you don't really control who see your email passing in clear on their server.

    Because yes the SSL and TLS are only for the transmission; between server.

    jdaviescoatesJ BrutalBirdieB 2 Replies Last reply
    5
  • jdaviescoatesJ Offline
    jdaviescoatesJ Offline
    jdaviescoates
    replied to JOduMonT on last edited by jdaviescoates
    #5

    @JOduMonT said in How good is the mail server?:

    Microsoft will simply ignore you (I'm might not being update on that part)

    I've found that using https://sender.office.com/ and requesting access to your IP on Microsoft's Smart Network Data Service https://sendersupport.olc.protection.outlook.com/snds/ and signing up to their Junk Mail Reporting Program https://sendersupport.olc.protection.outlook.com/snds/JMRP.aspx helps with Microsoft.

    I use Cloudron with Gandi & Hetzner

    1 Reply Last reply
    5
  • BrutalBirdieB Offline
    BrutalBirdieB Offline
    BrutalBirdie Staff
    replied to JOduMonT on last edited by
    #6

    @JOduMonT
    Thanks for that tool 😄
    I just checked my private (cloudron) mail-server and got a solid 10/10

    679abc6d-0253-4845-a50b-1faa9435a5e9-grafik.png

    The Improve message, they would like a HTML Version pfft nope, plain text only for me.

    Like my work? Consider donating a drink drink. Cheers!

    StardenverS 1 Reply Last reply
    5
  • H Offline
    H Offline
    herculist2022
    wrote on last edited by
    #7

    nice news!
    may i ask for a small setup about 5 accounts
    what hardware may needed for the mail server (for Cloudron requires at least 1GB RAM, 20GB Disk space.) cpu, ram, disk space ?

    JOduMonTJ 1 Reply Last reply
    0
  • JOduMonTJ Offline
    JOduMonTJ Offline
    JOduMonT
    replied to herculist2022 on last edited by
    #8

    @herculist2022 I would say Haraka with SpamAssassin have a minimal footprint; 1 GiB is more than enough if you have few users (10-20) with a normal send and receiving email (20-50 emails per day per person)

    1 Reply Last reply
    0
  • StardenverS Offline
    StardenverS Offline
    Stardenver
    replied to BrutalBirdie on last edited by
    #9

    @BrutalBirdie said in How good is the mail server?:

    The Improve message, they would like a HTML Version pfft nope, plain text only for me.

    Guess its because this tool was used as a testing tool for newsletter senders. AFAIK its recommended to provide your spam (just kidding^^) in two versions (plain text and html).

    1 Reply Last reply
    1
  • H Offline
    H Offline
    herculist2022
    wrote on last edited by
    #10

    have you stress test your mail server .. sending more emails to see its limits ( in 1 gb ram small vps) ?

    1 Reply Last reply
    0

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