Merge branch 'Mail_sending' into 'master'

Fix email sending

See merge request !1
1 job for master in 19 seconds (queued for 5 seconds)
Name Stage Failure
failed
push Test

Work dir:
/builds/get-nextflow-ngl-bi/template-nf/work/4a/ef8808e5ca1a64dc2bf55ba1ee571d

Tip: when you have fixed the problem you can continue the execution adding the option `-resume` to the run command line



Cleaning up file based variables
ERROR: Job failed: exit code 1