ip address 192.168.10.30

Exim

systemctl status exim4
systemctl restart exim4

Useful commands
Test mail address routing:

exim -bt iraxecoco@gmail.com 

Print a listing of the messages in the queue (time queued, size, message-id, sender, recipient):

exim -bp

Print a summary of messages in the queue (count, volume, oldest, newest, domain, and totals):

exim -bp | exiqsumm 

Display all of Exim's configuration settings:

exim -bP 

I've always used the cheatsheet from brad the mad Exim cheatsheet also here for just in case it disappears

Files:
exim config

nano /etc/exim4/exim4/conf 

user configuration files ( domain users and aliases )

cd /etc/mail/virtual

exim filter file ( filtering and actions based on email addresses or contents )

nano /etc/mail/exim.filter 

exim whitelist ( allow domains to bypass ACL checks )

nano /etc/mail/whitelist 

exim black list( domains block )

nano /etc/mail/black.list 

exim dkim certs( generated by portal system when adding new domain/user)

cd /etc/mail/dkim 

Apache2

 systemctl restart apache2 

Files:
Apache config file for wsgi

 nano /etc/apache2/sites-enabled/ipmanagement.conf 

Git repo for python flask SMTP Service Manager:

 cd /var/Smtp_service_manger 

SMTP Service Manager