Add secure email

[glego]

Q	A
Bug fix?	no
New feature?	yes
BC breaks?	no
Deprecations?	no
Tests pass?	yes
Documentation	no
Translation	no
CHANGELOG.md	no
Fixed tickets	#2046
License	MIT

Added secure email to the swiftmailer configuration incl. port, encryption and authentication mode.

Notes:

• Changes made also to the wallabag/docker repository (Add secure email docker#106)
• Changes required in the Wallabag parameter documentation https://doc.wallabag.org/en/admin/parameters.html

[noplanman]

Have tested this and it works perfectly for me 👍

All I needed was to set encryption to ssl, so that's basically what I've tested for my setup.

Would be great to get this merged, as it's a built-in feature that just needs the options to be able to configure it.

[j0k3r]

Thanks @glego and sorry for the delay