CyberHosting

Rainloop can't send message

Hi Support,

I had successfully installed cyberpanel & created email also, but when I login to rainloop webmail and try to send email it shows "Can't send message" .

I have installed cyberpanel on Centos 7.6 also configured spam assassin.
Postfix is also enabled with sufficient email limits.

I am receiving emails but unable to send it via rainloop webmail.

Thanks

Comments

  • Who is your provider, maybe they have blocked your email ports, you can troubleshoot using this guide -> https://cyberpanel.net/docs/troubleshooting-cyberpanel/
  • Hi Team,

    I have checked that with the server provider & they have open mail ports 25, 587 for sending email.

    Below is the email error log I am getting.

    ----------------------------------------------
    Apr 18 10:06:06 hosted postfix/pickup[7275]: 8F4D0431E7: uid=0 from=
    Apr 18 10:06:06 hosted postfix/cleanup[15610]: 8F4D0431E7: message-id=<20190418100606.8F4D0431E7@mydomain.com>
    Apr 18 10:06:06 hosted opendkim[3003]: default._domainkey.mydomain.com: key data is not secure: opendkim is in group 0 which has multiple users (e.g., "sync")
    Apr 18 10:06:06 hosted opendkim[3003]: 8F4D0431E7: error loading key 'default._domainkey.mydomain'
    Apr 18 10:06:06 hosted postfix/cleanup[15610]: 8F4D0431E7: milter-reject: END-OF-MESSAGE from localhost[127.0.0.1]: 4.7.1 Service unavailable - try again later; from= to=

    ---------------------------------------------
    Previously I used cloudflare as DNS but not configured private nameservers & now DNS is also managed by Cyberpanel . Below is the DKIM entry as TXT record in dns setting.

    ---------------------------
    TXT default._domainkey.mydomain.com 3600 v=DKIM1; k=rsa p=MIGfMA0GCSqGSIb3D....
    --------------------------------------------

    Any help is appreciated & if you need login details let me know.

    Best Regards.
  • I am using Scaleway for my server provider.

    Also how I can Setup RDNS and Hostname or do I need to ask the server provider to set RDNS .

    Is it required before the server can send mail from server & hosted web application.

    Thanks.
  • by default ports 25, 587 are blocked by Scaleway, you need to ask top open them
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