Merge branch 'bugfix' into 'master'

com: fix 500 error when utbm mail server refuse weekmail

See merge request !260
2 jobs for master in 31 minutes and 53 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
passed #2968
black

00:03:11

passed #2967
test

00:31:53

63.0%