IBM i Version 7.2 Networking E-mail IBM Note Before using this information and the product it supports, read the information in “Notices” on page 51. This document may contain references to Licensed Internal Code. Licensed Internal Code is Machine Code and is licensed to you under the terms of the IBM License Agreement for Machine Code. © Copyright International Business Machines Corporation 1998, 2013. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents E-mail................................................................................................................... 1 What's new for V7R2....................................................................................................................................1 PDF file for E-mail........................................................................................................................................ 1 E-mail concepts........................................................................................................................................... 2 SMTP on iIBM i .......................................................................................................................................3 POP on i5/OS.......................................................................................................................................... 4 Scenarios: E-mail......................................................................................................................................... 4 Scenario: Sending and receiving e-mail locally..................................................................................... 4 Scenario: Configuring the QtmsCreateSendEmail API to use S/MIME.................................................6 Planning for e-mail.......................................................................................................................................8 Controlling e-mail access.......................................................................................................................9 Controlling SMTP access................................................................................................................ 10 Controlling POP access...................................................................................................................10 Preventing e-mail access..................................................................................................................... 11 Preventing SMTP access.................................................................................................................11 Preventing SMTP from starting when TCP/IP starts................................................................ 11 Preventing access to SMTP ports .............................................................................................11 Holding SNADS queues............................................................................................................. 12 Preventing POP access................................................................................................................... 12 Preventing POP from starting when TCP/IP starts...................................................................12 Preventing access to POP ports................................................................................................12 Configuring e-mail......................................................................................................................................13 Accessing e-mail servers with IBM Navigator for i..............................................................................13 Configuring TCP/IP for e-mail.............................................................................................................. 13 Configuring SMTP and POP servers for e-mail.................................................................................... 14 Configuring the SMTP server.......................................................................................................... 14 Enabling SSL between the SMTP server and client on the receiver system............................15 Enabling SSL between the SMTP server and client on the sender system..............................16 Installing the receiver certificate authority on the sender system..........................................16 Configuring the POP server.............................................................................................................17 Associating a certificate with the Post Office Protocol server................................................. 17 Enrolling e-mail users.......................................................................................................................... 18 Starting and stopping e-mail servers...................................................................................................19 Starting the e-mail servers............................................................................................................. 19 Stopping the e-mail servers........................................................................................................... 19 Configuring a dial-up mail connection profile..................................................................................... 20 Configuring the ISP Dial-up Connection wizard.................................................................................. 20 Scheduling batch ISP e-mail jobs........................................................................................................21 Configuring the SMTP server for dial-up mail retrieval....................................................................... 21 Supporting multiple domains...............................................................................................................22 Securing e-mail.......................................................................................................................................... 22 Sending e-mail through a router or firewall or hub............................................................................. 22 Prerequisites for an e-mail router.................................................................................................. 23 Authenticating e-mail for local and relay............................................................................................ 24 Tracking the e-mail sender.............................................................................................................24 Restricting the relay of messages........................................................................................................25 Accepting relay messages from POP clients..................................................................................26 Using relay restriction and connection restriction functions together..........................................26 Restricting connections........................................................................................................................27 Filtering e-mail to prevent virus proliferation......................................................................................28 Sending and receiving e-mail.................................................................................................................... 28 iii JavaMail................................................................................................................................................29 Sending spooled files as PDF files....................................................................................................... 29 Using SNADS to send e-mail................................................................................................................29 Setting up headers to differentiate between recipients................................................................30 Supporting Internet addressing for the SNDDST command......................................................... 31 Attaching files................................................................................................................................. 31 Using SNADS to receive e-mail............................................................................................................ 32 Managing e-mail.........................................................................................................................................33 Checking e-mail servers.......................................................................................................................33 Removing POP e-mail users.................................................................................................................33 Preventing large e-mail messages from splitting................................................................................34 Receiving delivery status of e-mail......................................................................................................34 Hosting a Domino and SMTP server on the same system...................................................................34 Hosting Domino LDAP and Directory Server on the same system......................................................35 Managing SMTP server performance...................................................................................................36 Changing values for the SMTP server.............................................................................................36