exiwhat
exiwhat commands shows what exim mail server is doing.
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[root@server78 ~]# exiwhat 6415 delivering 1emCxq-0001f7-61: waiting for a remote delivery subprocess to finish 6428 delivering 1emCxq-0001f7-61 to aspmx3.googlemail.com [209.85.202.26] (billing@hostonnet.com) 6437 delivering 1emCxq-0001fd-TA: waiting for a remote delivery subprocess to finish 6452 delivering 1emCxq-0001fd-TA to aspmx3.googlemail.com [209.85.202.26] (billing@hostonnet.com) 8185 delivering 1emCyw-00021q-MM: waiting for a remote delivery subprocess to finish 8258 delivering 1emCyw-00021q-MM to alt3.gmail-smtp-in.l.google.com [108.177.15.27] (wllimosine@gmail.com) 9037 delivering 1emCzn-0002LS-NT: waiting for a remote delivery subprocess to finish 9041 delivering 1emCzn-0002LS-NT to aspmx5.googlemail.com [173.194.79.26] (billing@hostonnet.com) 11772 delivering 1emD1k-00033V-JM: waiting for a remote delivery subprocess to finish 11787 delivering 1emD1k-00033V-JM to alt2.aspmx.l.google.com [209.85.203.26] (billing@hostonnet.com) 11825 delivering 1emCOM-0004kF-WE: waiting for a remote delivery subprocess to finish 11829 delivering 1emCOM-0004kF-WE to alt2.gmail-smtp-in.l.google.com [209.85.202.26] (nitsaholidays@gmail.com) 11967 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51246 12631 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51247 12800 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51248 13564 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51249 13667 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51250 14009 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51251 14326 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51252 14446 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51253 14463 delivering 1emD3X-0003lD-2o: waiting for a remote delivery subprocess to finish 14469 delivering 1emD3X-0003lD-2o to aspmx.l.google.com [74.125.29.26] (billing@hostonnet.com) 14672 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51254 16096 handling TLS incoming connection from mail-ua0-f187.google.com [209.85.217.187]:39394 16175 handling TLS incoming connection from (telkomsa.net) [185.62.188.116]:51255 16556 tidying up after delivering 1emD4s-000371-T9 16559 accepting a local non-SMTP message from <> 16622 tidying up after delivering 1emD4u-0003oe-EZ 16626 accepting a local non-SMTP message from <> 16663 tidying up after delivering 1emD4v-0003Hj-Ca 16666 accepting a local non-SMTP message from <> 16680 handling incoming connection from [74.208.175.54]:52747 16704 tidying up after delivering 1emD4x-0003YR-On 16707 accepting a local non-SMTP message from <> 16709 tidying up after delivering 1emD4y-0003l0-8X 16714 accepting a local non-SMTP message from <> 16744 tidying up after delivering 1emD4z-0003dx-AV 16749 accepting a local non-SMTP message from <> 16760 tidying up after delivering 1emD4z-0003KS-Kk 16764 accepting a local non-SMTP message from <> 16776 tidying up after delivering 1emD50-000371-Ge 16782 accepting a local non-SMTP message from <> 16802 tidying up after delivering 1emD54-0003Wm-Sr 16805 accepting a local non-SMTP message from <> 16816 tidying up after delivering 1emD55-0003oe-8h 16824 accepting a local non-SMTP message from <> 16830 tidying up after delivering 1emD56-0004Ct-0r 16833 accepting a local non-SMTP message from <> 16842 handling incoming connection from [212.237.45.48]:50484 16845 handling incoming connection from [212.237.45.48]:58446 16854 delivering 1emD5F-0004Nf-6l: waiting for a remote delivery subprocess to finish 16855 tidying up after delivering 1emD57-0003Hj-Hq 16860 accepting a local non-SMTP message from <> 16864 delivering 1emD5F-0004Nf-6l to aspmx.l.google.com [74.125.192.27] (billing@hostonnet.com) 16870 tidying up after delivering 1emD4y-0004IX-Sd 16871 tidying up after delivering 1emD57-0003j4-Sf 16876 accepting a local non-SMTP message from <> 16890 handling incoming connection from [185.156.173.137]:58672 23465 running queue: waiting for 1emCOM-0004kF-WE (11825) 24554 daemon(4.89_1): -q1h, listening for SMTP on port 25 (IPv6 and IPv4) port 587 (IPv6 and IPv4) and for SMTPS on port 465 (IPv6 and IPv4) [root@server78 ~]# |
Install Mail-in-a-Box
Mail-In-A-Box is a complete mail server, that included webmail, smtp, imap, pop3.
Installation
You need Ubuntu 14.04 to install Mail-In-A-Box.
Before you start installation, make sure you have server hostname set properly.
To start installation, run
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curl -s https://mailinabox.email/setup.sh | sudo bash |
During installation, it ask you to set password for admin email account – [email protected]
Once installation finished, you will be able to login at
https://YOUR-SERVER-IP/admin
Dovecot
Dovecot is a IMAP/POP3 server.
To install on Debian/Ubuntu, run
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apt install dovecot-core -y |
To see dovecot config, run
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root@ok:~# doveconf -n # 2.2.22 (fe789d2): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.13 (7b14904) # OS: Linux 4.4.0-62-generic x86_64 Ubuntu 16.04.3 LTS mail_location = mbox:~/mail:INBOX=/var/mail/%u namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { driver = pam } ssl = no userdb { driver = passwd } root@ok:~# |
Configure ElasticEmail with Postfix
To configure ElasticEmail with postfix, first install sasl support
On Debian/Ubuntu
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apt-get install libsasl2-modules |
On RHEL/CentOS
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yum install cyrus-sasl-plain |
Edit postfix config
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vi /etc/postfix/main.cf |
On Ubuntu/Debian, you need to comment the line starting with “relayhost”.
Add following
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smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_tls_security_level = encrypt header_size_limit = 4096000 relayhost = [smtp.elasticemail.com]:587 |
Now create file
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/etc/postfix/sasl_passwd |
Add following content
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[smtp.elasticemail.com]:587 YOUR_SMTP_USER:YOUR_SMTP_PASSWORD |
You can find your SMTP user name and password from
https://elasticemail.com/account/#/settings/apiconfiguration
Now run
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chmod 600 /etc/postfix/sasl_passwd postmap /etc/postfix/sasl_passwd |
Restart postfix with
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systemctl restart postfix |
Postfix will relay mails using postfix now.
See postfix
Setting up Mail Forwarding in Postfix
To setup mail forward in postfix,
Edit postfix config file
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vi /etc/postfix/main.cf |
Add
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virtual_alias_domains = /etc/postfix/virtual_alias_domains virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps |
Create file /etc/postfix/virtual_alias_domains
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vi /etc/postfix/virtual_alias_domains |
Add your domains on this file. 1 Per line.
Example
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[root@s125359 ~]# cat /etc/postfix/virtual_alias_domains webhostingneeds.com netfreehost.com [root@s125359 ~]# |
Here i have 2 domains added, postfix will service as incoming email server for these 2 domains.
Now create /etc/postfix/virtual_alias_maps, this file will list all email accounts you need and where the email needed to be forwarded to.
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vi /etc/postfix/virtual_alias_maps |
Add
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info@webhostingneeds.com info@serverok.in info@netfreehost.com info@serverok.in |
here email coming to [email protected] and [email protected] get forwarded to [email protected]
If you need catch all email account, just use
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@yourdomain.com you@your-email-provider.com |
If you want email forwarded to more than one recipient, add them one after other like
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you@yourdomain.com you@your-email-provider-1.com you@your-email-provider-2.com |
Now run
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postmap /etc/postfix/virtual_alias_maps |
Restart postfix
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systemctl restart postfix |
You need to set MX record of your domain to point to server running the postfix mail server to receive mails.
Configure Postfix to sent emails using MailGun
First install requirements
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apt-get update && apt-get install postfix libsasl2-modules -y |
Run
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sed -i "s/default_transport = error/# default_transport = error/g" /etc/postfix/main.cf sed -i "s/relay_transport = error/# relay_transport = error/g" /etc/postfix/main.cf sed -i "s/relayhost =/# relayhost =/g" /etc/postfix/main.cf |
Edit /etc/postfix/main.cf
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vi /etc/postfix/main.cf |
Add
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relayhost = [smtp.mailgun.org]:2525 smtp_tls_security_level = encrypt smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous |
Create file /etc/postfix/sasl_passwd
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echo "[smtp.mailgun.org]:2525 SMTP_LOGIN:SMTP_PASSWORD" > /etc/postfix/sasl_passwd |
Replace SMTP_LOGIN and SMTP_PASSWORD with your user and password you get from mailgun.
Run
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postmap /etc/postfix/sasl_passwd |
Restart postfix
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service postfix restart |
You can test email with
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echo "test" | mail -s "test" admin@serverok.in |