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Cloudron Forum

Apps | Demo | Docs | Install

E-mail is not configured properly

Scheduled Pinned Locked Moved Solved Support
mailblacklistspamrelay
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  • danielreyes61D Offline
    danielreyes61D Offline
    danielreyes61
    wrote on last edited by girish
    #1

    PTR DNS record (PTR) did not match.
    Hostname: XX.XXX.XXX.XXX (IP Address is what was in the X's)
    Expected: my.example.net (example is my website name)
    Actual: c-XX-XXX-XXX-XXX.hsd1.ca.comcast.net (X's had IP again)
    Relay error: Connect to smtp.gmail.com timed out. Check if port 25 (outbound) is blocked
    This server's IP XX.XXX.XXX.XXX is blacklisted in the following servers - Sorbs Aggregate Zone, SpamHaus Zen

    Removed my IP and put X's in all spots, I am not sure why my outbound email is not working, I opened those ports on my router and let cloudron manage the host firewall, I have installed SOGo and all the others recommended and cannot get any test emails to work. I reinstalled SOGo for now but not sure how to proceed from here. Please advise.

    ? 1 Reply Last reply
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  • ? Offline
    ? Offline
    A Former User
    replied to danielreyes61 on last edited by
    #2

    @danielreyes61 Are you running this bare metal or on a VPS?

    I switched to business internet through my ISP recently to get a static IP which removed the blacklist issue. For the PTR record: check with your ISP they usually have to do this for you.

    danielreyes61D 1 Reply Last reply
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  • danielreyes61D Offline
    danielreyes61D Offline
    danielreyes61
    replied to A Former User on last edited by
    #3

    @atrilahiji bare metal and through my regular isp no business class, about to move homes too so I was curious if there was a work-around to the blacklist, do you think the blacklist is the major issue here?

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  • ? Offline
    ? Offline
    A Former User
    replied to danielreyes61 on last edited by
    #4

    @danielreyes61 Yes. I suspect most IPs in your ISPs dynamic IP pool are blacklisted. Moving to a static IP will be your solution
    That or using a relay like Sendgrid.

    danielreyes61D 1 Reply Last reply
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  • danielreyes61D Offline
    danielreyes61D Offline
    danielreyes61
    replied to A Former User on last edited by
    #5

    @atrilahiji Ok, thank you very much!! And thank you to all cloudron staff, excellent service! A+!

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  • danielreyes61D Offline
    danielreyes61D Offline
    danielreyes61
    wrote on last edited by
    #6

    I am currently up and running with Sendgrid, fully authenticated DNS side and all outbound emails from cloudron and SOGo are working now but inbound emails are not going through. I have the ports forwarded on router correctly, 587, 993 and 4190. Even 25 even though it's not being used in this Sendgrid configuration. Not sure what else to check, would there be anything in a DD-WRT router setting that would prevent inbound emails from getting through? I shouldn't touch the cloudron host firewall right? I also have green checkmarks for my Email configuration status, MX record green, DMARC record green and Outbound SMTP (Relay) green. Again, sendgrid is processing my outbound emails and forwarding them perfectly, I can only assume they are doing the same with inbound but what can I check as to why they are not coming through? Please advise.

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  • danielreyes61D Offline
    danielreyes61D Offline
    danielreyes61
    wrote on last edited by
    #7

    Do you think it is the mail server location in cloudron saying "my.example.com", should I remove the "my" part?

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  • danielreyes61D Offline
    danielreyes61D Offline
    danielreyes61
    wrote on last edited by
    #8

    Nevermind, I did not realize sendgrid setup was only for sending email, I see the other parts to setup for receiving email now. Please disregard.

    1 Reply Last reply
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