Help to fix email can't receive and send email

Discussion in 'HOWTO-Related Questions' started by Joey Devs, Dec 25, 2017.

  1. Joey Devs

    Joey Devs Member

    I'm using
    Ubuntu 16.04
    Apache web server
    Roundcube

    Mail log
    Mail error log

    System log
     
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    remove the domain from the mydestination line in postfix main.cf file and restart postfix.
     
  3. Joey Devs

    Joey Devs Member

    Thanks can receive email now but the recipient when send email doesn't receive.

     
  4. Joey Devs

    Joey Devs Member

    I tried to send same address in my roundcube I receive the messages. means system is work.
    I check my
    netstat -tap | grep smtp
    Code:
    [email protected]:~# netstat -tap | grep smtp
    tcp        0      0 localhost:10025         *:*                     LISTEN       7542/smtpd
    tcp        0      0 *:smtp                  *:*                     LISTEN       7515/smtpd
    tcp        0      0 localhost:38732         localhost:mysql         ESTABLISHED  7531/smtp
    tcp        0      0 localhost:38734         localhost:mysql         ESTABLISHED  7530/smtp
    tcp6       0      0 [::]:smtp               [::]:*                  LISTEN       7515/smtpd
    
    Kindly check my iptables -L

    Code:
    [email protected]:~# iptables -L
    Chain INPUT (policy ACCEPT)
    target     prot opt source               destination
    f2b-dovecot-pop3imap  tcp  --  anywhere             anywhere             multiport dports pop3,pop3s,imap2,imaps
    f2b-pureftpd  tcp  --  anywhere             anywhere             multiport dports ftp
    f2b-postfix-sasl  tcp  --  anywhere             anywhere             multiport dports smtp
    f2b-sshd   tcp  --  anywhere             anywhere             multiport dports ssh
    
    Chain FORWARD (policy ACCEPT)
    target     prot opt source               destination
    
    Chain OUTPUT (policy ACCEPT)
    target     prot opt source               destination
    
    Chain f2b-dovecot-pop3imap (1 references)
    target     prot opt source               destination
    RETURN     all  --  anywhere             anywhere
    
    Chain f2b-postfix-sasl (1 references)
    target     prot opt source               destination
    RETURN     all  --  anywhere             anywhere
    
    Chain f2b-pureftpd (1 references)
    target     prot opt source               destination
    RETURN     all  --  anywhere             anywhere
    
    Chain f2b-sshd (1 references)
    target     prot opt source               destination
    RETURN     all  --  anywhere             anywhere
    [email protected]:~#
    
    Code:
    [email protected]ts:~# dig mx nursingcpdunits.com
    
    ; <<>> DiG 9.10.3-P4-Ubuntu <<>> mx nursingcpdunits.com
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33403
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2
    
    ;; OPT PSEUDOSECTION:
    ; EDNS: version: 0, flags:; udp: 4096
    ;; QUESTION SECTION:
    ;nursingcpdunits.com.           IN      MX
    
    ;; ANSWER SECTION:
    nursingcpdunits.com.    300     IN      MX      10 dc-2b1fdaae15cc.nursingcpdunits.com.
    nursingcpdunits.com.    300     IN      MX      10 mail.nursingcpdunits.com.
    
    ;; ADDITIONAL SECTION:
    mail.nursingcpdunits.com. 300   IN      A       45.77.103.247
    
    ;; Query time: 3 msec
    ;; SERVER: 108.61.10.10#53(108.61.10.10)
    ;; WHEN: Tue Dec 26 08:02:21 UTC 2017
    ;; MSG SIZE  rcvd: 117
    
     
  5. Joey Devs

    Joey Devs Member

    I'm using cloudflare kindly check if correct
     
  6. till

    till Super Moderator Staff Member ISPConfig Developer

    Seems as if the ISP that your server is using to connect to the internet blocks port 25. Contact the ISP or datacenter that your server is using for the internet connection and ask them if they have port 25 blocked.
     
  7. Joey Devs

    Joey Devs Member

    Th
    Thank you very much Sir.
    The support team now replied to my query
     
  8. Joey Devs

    Joey Devs Member

    Sir Till how to determine if open port 25. The support said "We have removed the default SMTP block on your account."
     
  9. Joey Devs

    Joey Devs Member

    Update: email messages was receive now by the recepient but in spam messages.
     
  10. till

    till Super Moderator Staff Member ISPConfig Developer

    You should check f the IP address of your server is not n any MX blacklists.
     
  11. Joey Devs

    Joey Devs Member

    How should I check Sir Till? thanks
     
  12. till

    till Super Moderator Staff Member ISPConfig Developer

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