Dear Sir or Madam,
on Monday, the 6th of November, 2017, we are going to change our mail system. So we may not be available from Monday (two o'clock p.m.) until Tuesday (two o'clock p.m.). In case of emergency, please use the following address: firstname.lastname@example.org or just call us.
Thank you for your understanding.
Overhoff Verbindungstechnik GmbH