Composer allow Symfony 5

2.2.5

Allow to use Symfony 5 (#26)

V2.2.4

Remove Symfony 4.2 deprecation notice (#25)

* Remove Symfony 4.2 deprecation notice

* Bad reference

v2.2.3

This fixes the issue #23

v2.2.2

Fix insensitive reserved Headers

v2.2.1

Support for custom headers

v2.2.0

Added support for SwiftMailer plugins

v2.1.2

Sendgrid: Use existing Personalization from Mail constructor

Fix Sendgrid v7 API

2.1.1

Fix minimum requirement and add Test

Drop Php 5 support

2.1.0

Drop php 5 support

SF4 compatibility & Flex

Add SF4 & Flex compatibility + bump php min version