• 

  sSMTP 2 Jun 15

• 

  blueMail 3 Jun 15

• 

  Tellmatic 12 May 15

• 

  outbox 20 Feb 15

• 

  Evolution Data Server 16 Aug 18

• 

  Zimbra Collaboration Server Appliance 12 May 15

• 

  zeMail 3 Jun 15

• 

  Pooka 3 Jun 15