Update mailer configurations for Symfony mailer

Newer Laravel uses Symfony mailer instead of SwiftMailer, and that means
that some configs and functionality have changed

In this change, we update config/mail.php with the new config layout and
name/functionality changes

of note:

* New configuration layout supporting lots of new/different mailers
* MAIL_DRIVER has become MAIL_MAILER, though we'll support both
* MAIL_ENCRYPTION is mostly useless, and we mark it as such -- symfony
  mailer detects which type of encryption to use automagically.
* MAIL_TLS_VERIFY_PEER is now available in case of self-signed
  certificates on the mail server, of if you want to access it by a
  different name, or by IP

Accordingly, we also update the .env examples, docker configs, and
the .env builder in the snipeit.sh installation script with the above
changes

.env.docker

@@ -49,12 +49,12 @@ DB_SSL_CIPHER=null
 # --------------------------------------------
 # REQUIRED: OUTGOING MAIL SERVER SETTINGS
 # --------------------------------------------
-MAIL_DRIVER=smtp
+MAIL_MAILER=smtp
 MAIL_HOST=mailhog
 MAIL_PORT=1025
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
-MAIL_ENCRYPTION=null
+MAIL_TLS_VERIFY_PEER=true
 [email protected]
 MAIL_FROM_NAME='Snipe-IT'
 [email protected]

.env.dusk.example

@@ -40,7 +40,7 @@ DB_SSL_CIPHER=null
 # --------------------------------------------
 # REQUIRED: OUTGOING MAIL SERVER SETTINGS
 # --------------------------------------------
-MAIL_DRIVER="log"
+MAIL_MAILER="log"
 
 
 # --------------------------------------------

.env.example

@@ -46,17 +46,21 @@ DB_SSL_CIPHER=null
 # --------------------------------------------
 # REQUIRED: OUTGOING MAIL SERVER SETTINGS
 # --------------------------------------------
-MAIL_DRIVER=smtp
+MAIL_MAILER=smtp
 MAIL_HOST=email-smtp.us-west-2.amazonaws.com
 MAIL_PORT=587
 MAIL_USERNAME=YOURUSERNAME
 MAIL_PASSWORD=YOURPASSWORD
-MAIL_ENCRYPTION=null
 MAIL_FROM_ADDR=[email protected]
 MAIL_FROM_NAME='Snipe-IT'
 MAIL_REPLYTO_ADDR=[email protected]
 MAIL_REPLYTO_NAME='Snipe-IT'
 MAIL_AUTO_EMBED_METHOD='attachment'
+MAIL_TLS_VERIFY_PEER=true
+
+# MAIL_ENCRYPTION is no longer supported. SymfonyMailer will use tls if it's
+# advertised, and won't if it's not. If you want to use your mail server's IP but it's failing
+# because of certificate errors, set MAIL_TLS_VERIFY_PEER-true
 
 # --------------------------------------------
 # REQUIRED: IMAGE LIBRARY
@@ -190,4 +194,4 @@ ARGON_TIME=2
 # OPTIONAL: SCIM
 # --------------------------------------------
 SCIM_TRACE=false
-SCIM_STANDARDS_COMPLIANCE=false
+SCIM_STANDARDS_COMPLIANCE=false

.env.testing-ci

@@ -22,7 +22,7 @@ DB_PASSWORD=null
 # --------------------------------------------
 # REQUIRED: OUTGOING MAIL SERVER SETTINGS
 # --------------------------------------------
-MAIL_DRIVER=log
+MAIL_MAILER=log
 
 
 # --------------------------------------------

.env.tests

@@ -18,6 +18,6 @@ APP_KEY=base64:tu9NRh/a6+dCXBDGvg0Gv/0TcABnFsbT4AKxrr8mwQo=
 LOGIN_MAX_ATTEMPTS=1000000
 LOGIN_LOCKOUT_DURATION=100000000
 
-MAIL_DRIVER=log
+MAIL_MAILER=log
 [email protected]
 MAIL_FROM_NAME=Snipe-IT

.env.unit-tests

@@ -15,6 +15,6 @@ APP_KEY=base64:tu9NRh/a6+dCXBDGvg0Gv/0TcABnFsbT4AKxrr8mwQo=
 LOGIN_MAX_ATTEMPTS=1000000
 LOGIN_LOCKOUT_DURATION=100000000
 
-MAIL_DRIVER=log
+MAIL_MAILER=log
 [email protected]
 MAIL_FROM_NAME=Snipe-IT

app.json

@@ -38,7 +38,7 @@
         "description": "The maximum number of search results that can be returned at one time.",
         "value": "500"
       },
-      "MAIL_DRIVER": {
+      "MAIL_MAILER": {
         "description": "Mail driver - Generally SMTP on Heroku - https://snipe-it.readme.io/docs/configuration#required-outgoing-mail-settings",
         "value": "smtp"
       },
@@ -58,9 +58,9 @@
         "description": "SMTP Server Password",
         "value": "YOURPASSWORD"
       },
-      "MAIL_ENCRYPTION": {
-        "description": "Encryption protocol for email sending.",
-        "value": "null"
+      "MAIL_TLS_VERIFY_PEER": {
+        "description": "Ensure validity of TLS certificate on remote mail server",
+        "value": true
       },
       "MAIL_FROM_ADDR": {
         "description": "Email from address",