Once installed, configure SSL in Dovecot by editing the following: # vim /etc/dovecot/conf.d/nf
Install Dovecot on the system using yum # yum install dovecot Start the EXIM MTA and add it to system’s startup using systemctl # systemctl start exim Server_socket = /var/run/dovecot/auth-client Scroll down the the authenticators section and add the following lines: dovecot_login: Tls_privatekey = /etc/ssl/įind the transport section and edit the following: local_delivery:
Next, open /etc/exim/nf with your favorite editor and configure exim as follows: # cp /etc/exim/nfĭomainlist local_domains = : Install exim on the CentOS 7 virtual server using yum: # yum install exim Move the SSL certificate and key to /etc/ssl using: # cp /etc/ssl/ # openssl req -nodes -x509 -newkey rsa:2048 -keyout -out -days 365
You can purchase and use one of our GeoTrust SSL Certificates or you can create your own self-signed SSL certificate for using the commands below: # mkdir /root/SSL/ -p Since we are going to use SSL in Dovecot and Exim, we need to have an SSL certificate. Once EPEL is enabled, install some useful tools using: # yum install file perl-Mail-SPF.noarch openssl vim If you get a 404 not found, go at and install the latest epel-release rpm package available.Ĭheck if EPEL has been enabled on your system using: # yum repolist
Once you’re in a screen session, update your CentOS 7 VPS using yum as in: # yum updateĮnable EPEL repository on the CentOS system using: # yum install Dovecot is an excellent choice for both small and large installations.įirst off, ssh to your server and initiate a screen session using the command below: # screen -U -S exim-dovecot
Exim is free software distributed under the terms of the GNU General Public License, and it aims to be a general and flexible mailer with extensive facilities for checking incoming e-mail.ĭovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. All Rights Reserved.The following article will guide you through the steps of installing and setting up a mailserver using Exim and Dovecot on a CentOS 7 VPS.įor this tutorial, we are using one of our CentOS based VPS hosting plans, pre-installed with minimal CentOS 7 OS.Įxim is a mail transfer agent (MTA) used on Unix-like operating systems. Std::cout << "Connection to SMTP server not closed cleanly." << "\r\n" Ģ000-2022 Chilkat Software, Inc. Most SMTP servers send the email immediately, and it is // not required to close the connection. In these cases, it is necessary to // call CloseSmtpConnection for the mail to be sent. Some SMTP servers do not actually send the email until // the connection is closed. session) to the SMTP server remains // open so that subsequent SendEmail calls may use the // same connection. Call SendEmail to connect to the SMTP server and send. AddTo( "Chilkat Admin", To add more recipients, call AddTo, AddCC, or AddBcc once per recipient. Create a new email object CkEmail email īool success = email. Set the SMTP login/password (if required) The mailman object is used for sending and receiving email. See Global Unlock Sample for sample code.
This example requires the Chilkat API to have been previously unlocked. More information about minimizing SMTP connections. Most SMTP servers send the email immediately, and it is not required to close the connection.
In these cases, it is necessary to call CloseSmtpConnection for the mail to be sent. Important: Some SMTP servers do not actually send the email until the connection is closed. The SMTP connection (session) may be explicitly closed by calling CloseSmtpSession. The SendEmail method establishes a connection (session) with the SMTP server if necessary, and leaves the connection open so that additional sends may proceed using the same session.