My config is this: I have installed aapanel, transported my wordpress project insider, i created email +roundcube.

What I try to do is following: Making my ActiveCampaign + my wordpress smpt (popular wp plugin) + my aapanel smtp relay system to work together.

Errors I have: 1. My Roundcube take mails to inbox but not send anything even to spam or inbox, i try to fix this.

2 My Smtp Relay not autentificate to my smtp wordpress because of a SSL error, but I have created for my subdomains mail.example.com a domain in aapanel and i have created a Letsencrypt ssl for all this domain that I try to make comunicate by email.

3 I have try to use port 25 for the 127.0.0.1 but not work for me because my smtp wp + smtp relay is "in the same server managed by aapanel"

What I need to do is to make roundcube send the emails + smtp relay to work on a crypted comunication like port 467 because in the end I try to make a synergy with the activecampaign that use the same 467 SSL for communication.

Thank you, any tips will be grateful for myself, I have check the forum on this subject but on my end was not work

    Default port for SMTP is 465 fo SSL . Make sure you have your hostname that sends the emails installed with ssl. For example your website is called domain.com and you set mail server with mail.domain.com. Add mail.domain.com to the panel as website and point it by IP , then install SSL. Or just use domain.com as smtp hostname and make sure SSL works.

    IF you want another level of encryption like TLS you can try port 587.

    Cheers

    aaP_bobmarley4777
    check the postfix configuration, which can be viewed in the server status
    "mail.135mailtest.com" is replaced with your domain name
    Put:
    smtpd_tls_chain_files=/etc/ssl/private/ssl-cert-snakeoil.key,/etc/ssl/certs/ssl-cert-snakeoil.pem
    Change to:
    smtpd_tls_chain_files = /www/server/panel/plugin/mail_sys/cert/135mailtest.com/privkey.pem,/www/server/panel/plugin/mail_sys/cert/135mailtest.com/fullchain.pem
    Note to replace 135mailtest.com with your domain name.
    Also check /www/server/panel/plugin/mail_sys/cert/135mailtest.com/ for privkey.pem and fullchain.pem files

    You can use this command to check whether the correct SSL is configured
    openssl s_client -connect mail.135mailtest.com:587 -starttls smtp
    or
    openssl s_client -connect mail.135mailtest.com:465 -starttls smtp

    If the display is not OK, try to save the SSL certificate again, or please re-apply for SSL

      THANK YOU VLADIMIR-SERVER, thank you for the tip, yes I do everything from scratch after I have post here on the forum and works good, smtp relay is my problem right now because a snakeoil.pem file that is not find. I will try to use 456 for SSL + WP SMTP + SSL RELAY + MAIL SERVER.

      Thank you really much for the effort of helping me! I reinstalled again the aaPanel, I have created mail + site + domains + ssl + roundcube like I saw on this forum, works great even roundcube with new settings.

      Now I try to make the path in Postfix to check the correct path in order for myself to use SMTP RELAY and to bind the SMTP relay to the SMTP WORDPRESS PLUGIN that are on the same server with aaPanel, this is what all I need to do.

      When I use roundcube it works perfect and sending to the inbox, but when I open the smtp relay from aaPanel it not send because postfix try to autentificate to a .pem file that is not there 🙂) for some reason, could be a bug I not know.

      This is my postfix log: Apr 22 21:19:28 vmi1812900 postfix/smtps/smtpd[10567]: lost connection after CONNECT from unknown[94.207.106.37]
      Apr 22 21:19:28 vmi1812900 postfix/smtps/smtpd[10567]: disconnect from unknown[94.207.106.37] commands=0/0
      Apr 22 21:19:38 vmi1812900 postfix/smtps/smtpd[10567]: connect from unknown[211.228.113.27]
      Apr 22 21:19:39 vmi1812900 postfix/smtps/smtpd[10567]: SSL_accept error from unknown[211.228.113.27]: -1
      Apr 22 21:19:39 vmi1812900 postfix/smtps/smtpd[10567]: warning: TLS library problem: error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:../ssl/statem/statem_srvr.c:2283:
      Apr 22 21:19:39 vmi1812900 postfix/smtps/smtpd[10567]: lost connection after CONNECT from unknown[211.228.113.27]
      Apr 22 21:19:39 vmi1812900 postfix/smtps/smtpd[10567]: disconnect from unknown[211.228.113.27] commands=0/0
      Apr 22 21:19:51 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=10573, secured, session=<Wi1PUrQWCNF/AAAB>
      Apr 22 21:19:51 vmi1812900 dovecot: imap(contact@alinaroman.ro)<10573><Wi1PUrQWCNF/AAAB>: Logged out in=173 out=1089 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
      Apr 22 21:20:08 vmi1812900 postfix/smtpd[10576]: warning: /etc/postfix/main.cf, line 69: overriding earlier entry: relayhost=
      Apr 22 21:20:08 vmi1812900 postfix/submission/smtpd[10576]: warning: error opening chain file: /etc/ssl/private/ssl-cert-snakeoil.key: No such file or directory
      Apr 22 21:20:08 vmi1812900 postfix/submission/smtpd[10576]: connect from unknown[109.206.237.176]
      Apr 22 21:20:08 vmi1812900 postfix/submission/smtpd[10576]: disconnect from unknown[109.206.237.176] ehlo=1 auth=0/1 rset=0/1 quit=1 commands=2/4
      Apr 22 21:21:39 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=10588, secured, session=<dwvBWLQWouJ/AAAB>
      Apr 22 21:21:39 vmi1812900 dovecot: imap(contact@alinaroman.ro)<10588><dwvBWLQWouJ/AAAB>: Logged out in=91 out=950 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0

        aaP_bobmarley4777 : This what I have in the folder that is checked by postfix for the pem file: root@vmi1812900:/etc/ssl/private# ls
        my-mail-server.key pure-ftpd-dhparams.pem pure-ftpd.pem
        root@vmi1812900:/etc/ssl/private#

          I have do what Kern do, thank you Kern, the openssl s_client -connect mail.135mailtest.com:587 -starttls smtp worked good an it output for me the key test.

          Now I setup the SMTP from Wordpress also the SMTP RELAY on port 587 TLS and I try to see if all work good, if not, I might output here the log of postfix.

          My logs after I send a test email from roundcube with smtp relay open looks like this: Action: failed
          Status: 5.4.0
          Remote-MTA: dns; mail.alinaroman.ro
          Diagnostic-Code: smtp; 554 5.4.0 Error: too many hops

          My mail log looks like this: Apr 22 23:16:59 vmi1812900 postfix/anvil[2928]: statistics: max cache size 2 at Apr 22 23:13:39
          Apr 22 23:17:39 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=3022, secured, session=<ixGa97UW3s9/AAAB>
          Apr 22 23:17:39 vmi1812900 dovecot: imap(contact@alinaroman.ro)<3022><ixGa97UW3s9/AAAB>: Logged out in=91 out=950 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
          Apr 22 23:18:39 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=3027, secured, session=<U8ks+7UWbOl/AAAB>
          Apr 22 23:18:39 vmi1812900 dovecot: imap(contact@alinaroman.ro)<3027><U8ks+7UWbOl/AAAB>: Logged out in=91 out=950 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
          Apr 22 23:19:07 vmi1812900 postfix/smtpd[3028]: warning: /etc/postfix/main.cf, line 69: overriding earlier entry: relayhost=
          Apr 22 23:19:07 vmi1812900 postfix/proxymap[3029]: warning: /etc/postfix/main.cf, line 69: overriding earlier entry: relayhost=
          Apr 22 23:19:07 vmi1812900 postfix/smtpd[3028]: warning: error opening chain file: /www/server/panel/plugin/mail_sys/cert/alinaroman.ro//www/server/panel/plugin/mail_sys/cert/alinaroman.ro/fullchain.pem: No such file or directory
          Apr 22 23:19:07 vmi1812900 postfix/smtpd[3028]: connect from unknown[109.206.237.176]
          Apr 22 23:19:07 vmi1812900 postfix/anvil[3030]: warning: /etc/postfix/main.cf, line 69: overriding earlier entry: relayhost=
          Apr 22 23:19:09 vmi1812900 postfix/smtpd[3028]: warning: unknown[109.206.237.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
          Apr 22 23:19:09 vmi1812900 postfix/smtpd[3028]: disconnect from unknown[109.206.237.176] ehlo=1 auth=0/1 quit=1 commands=2/3
          Apr 22 23:19:39 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=3034, secured, session=<BdTA/rUWlql/AAAB>
          Apr 22 23:19:39 vmi1812900 dovecot: imap(contact@alinaroman.ro)<3034><BdTA/rUWlql/AAAB>: Logged out in=91 out=950 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
          Apr 22 23:20:39 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=3045, secured, session=<sbZSArYWgqR/AAAB>
          Apr 22 23:20:39 vmi1812900 dovecot: imap(contact@alinaroman.ro)<3045><sbZSArYWgqR/AAAB>: Logged out in=91 out=950 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
          Apr 22 23:21:02 vmi1812900 dovecot: imap-login: Login: user=contact@alinaroman.ro, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=3047, secured, session=<DFK0A7YWIq1/AAAB>
          Apr 22 23:21:02 vmi1812900 dovecot: imap(contact@alinaroman.ro)<3047><DFK0A7YWIq1/AAAB>: Logged out in=91 out=950 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0

            I think my server is loop to many times because I use all eggs into the same server, any tips? I have no idea how to fix this right not, I need to check up the internet.

            I have found something, my config file of postfix is not good I think because "mydestination" is empty, I think should be localhost or 127.0.0.1, maybe Kern knows something about this, I try to check myself on internet how to make it not loop in "walls".

            All my eggs/servers are in same place so I need to configure this to "flow" good.

            -myhostname = vmi1812900.contaboserver.net
            alias_maps = hash:/etc/aliases
            alias_database = hash:/etc/aliases
            myorigin = /etc/mailname
            mydestination =
            relayhost =
            mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
            mailbox_command = procmail -a "$EXTENSION"
            mailbox_size_limit = 0
            recipient_delimiter = +
            inet_interfaces = all

            inet_protocols = all

            After some tweaks, it sends from email1 to email1, looping : 20240423011637.7229B2001B97@vmi1812900.contaboserver.net: stored mail into mailbox 'INBOX'
            Apr 23 03:16:37 vmi1812900 postfix/lmtp[4502]: 7229B2001B97: to=contact@alinaroman.ro, relay=vmi1812900.contaboserver.net[private/dovecot-lmtp], delay=0.04, delays=0/0.01/0.01/0.01, dsn=2.0.0, status=sent (250 2.0.0 contact@alinaroman.ro zo9mHfULJ2aXEQAA46gUhQ Saved)
            Apr 23 03:16:37 vmi1812900 dovecot: lmtp(4503): Disconnect from local: Client has quit the connection (state=READY)
            Apr 23 03:16:37 vmi1812900 postfix/qmgr[4451]: 7229B2001B97: removed

            check the postfix configuration, which can be viewed in the server status
            "mail.135mailtest.com" is replaced with your domain name
            Put:
            smtpd_tls_chain_files=/etc/ssl/private/ssl-cert-snakeoil.key,/etc/ssl/certs/ssl-cert-snakeoil.pem
            Change to:
            smtpd_tls_chain_files = /www/server/panel/plugin/mail_sys/cert/135mailtest.com/privkey.pem,/www/server/panel/plugin/mail_sys/cert/135mailtest.com/fullchain.pem
            Note to replace 135mailtest.com with your domain name.
            Also check /www/server/panel/plugin/mail_sys/cert/135mailtest.com/ for privkey.pem and fullchain.pem files

            aaP_bobmarley4777

              Thank you Kern, I have put the path and it takes it, now I try to check again how is going and I might get back to the forum with my last resolution. Ty

              Here is a video of working roundcube with smtp relay OFF, and after smtp Relay ON my email not send to the gmail inbox.

              What do you Think Kern, have you encounter those kind things, what I should do to fix this to make my smtp relay work on aApanel, any help will be great.

              Video: https://vimeo.com/938043334?share=copy

                Also my server send to gmail to inbox but on yahoo not receive anything

                I need to use port 25 by default for SMTP RELAY or SMTP, where I can change to have 25 the port for my internal email servers and to use 587 for the secured external email traffic?

                SuperTool Beta7

                alinaroman.ro

                mx:alinaroman.ro
                Gmail & Yahoo are now requiring DMARC - Get your's setup with Delivery Center

                Pref Hostname IP Address TTL
                10 mail.alinaroman.ro 62.169.30.22
                Unknown (AS51167) 24 hrs Blacklist Check SMTP Test
                Test Result
                Status Ok DMARC Record Published DMARC Record found
                Status Ok DMARC Policy Not Enabled DMARC Quarantine/Reject policy enabled
                Status Ok DNS Record Published DNS Record found

                220 vmi1812900.contaboserver.net ESMTP Postfix (Ubuntu)
                Test Result
                Status Ok SMTP Reverse DNS Mismatch OK - 62.169.30.22 resolves to vmi1812900.contaboserver.net
                Status Ok SMTP Valid Hostname OK - Reverse DNS is a valid Hostname
                Status Ok SMTP Banner Check OK - Reverse DNS matches SMTP Banner
                Status Ok SMTP TLS OK - Supports TLS.
                Status Ok SMTP Connection Time 0.349 seconds - Good on Connection time
                Status Ok SMTP Open Relay OK - Not an open relay.
                Status Ok SMTP Transaction Time 1.108 seconds - Good on Transaction Time
                Session Transcript:
                Connecting to 62.169.30.22

                220 vmi1812900.contaboserver.net ESMTP Postfix (Ubuntu) [204 ms]
                EHLO keeper-us-east-1d.mxtoolbox.com
                250-vmi1812900.contaboserver.net
                250-PIPELINING
                250-SIZE 102400000
                250-VRFY
                250-ETRN
                250-STARTTLS
                250-AUTH PLAIN LOGIN
                250-ENHANCEDSTATUSCODES
                250-8BITMIME
                250-DSN
                250-SMTPUTF8
                250 CHUNKING [217 ms]
                MAIL FROM:supertool@mxtoolboxsmtpdiag.com
                250 2.1.0 Ok [216 ms]
                RCPT TO:test@mxtoolboxsmtpdiag.com
                554 5.7.1 test@mxtoolboxsmtpdiag.com: Relay access denied [226 ms]

                LookupServer 1788ms