Authenticated SMTP

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More and more networks around the world are placing restrictions on who can send email through their services, and how they may do it. Sadly, this is a necessary step in the ongoing battle against spammers. Many of our customers need to send mail through the SWCP mail servers while using non-SWCP network connections (at a hotel, in a coffee shop, on a Comcast connection, etc.) The way to do that is using Authenticated SMTP.

Authenticated SMTP is a method for your email software to tell our mail server who you are, using your username and password. It is supported by all modern email software and is easy to set up. If you have had your email rejected for any of the following reasons, this will usually fix the problem:

  • PBL rejection
  • SPF rejection
  • Port 25 blocked

The basic idea is to set your email program to send with the following configuration:

  • Outgoing mail server (SMTP server): mail.swcp.com
  • Port and/or protocol: Port 465 with SSL, or port 587 with TLS
  • Username and password: the same as you use to retreive your email from SWCP

Step-by-Step setup for different Mail Clients

Thunderbird

  1. Go to the Tools menu (or on Linux, the Edit menu) and select Account Settings. (Note: if you do not see "Tools" tap your ALT key and it will appear in the top of your window)
  2. In the Account Settings window, click on "Outgoing Server (SMTP)"
  3. Select the server 'mail.swcp.com' and click the 'Edit' button
  4. In the 'Authentication method' pulldown menu, select 'Normal Password'.
  5. In the 'Connection Security' pulldown menu, select 'SSL/TLS'
  6. At this point, the "Port" setting should have changed to read 465.
  7. Click OK, then OK again to exit Account Settings.

Outlook

  1. Go the Account Settings menu:
    • (Outlook 2003) Go to Tools, then Email Accounts. Select 'View or Change Existing Accounts' and click the 'Next' button
    • (Outlook 2007) Go to Tools, then Account Settings
    • (Outlook 2010 and 2013) Go to the File tab, then the Info menu. In the Info menu, click 'Account Settings'
    • (Outlook 2016/Office 365), Go to File tab => Info menu => Click on Account Settings and then "Manage Profiles" from the pulldown menu
  2. Select the account to modify, click Change (not the 'Change Folder' button)
  3. Make sure "Log on using Secure Password Authentication (SPA)" is turned OFF (Yes, this is confusing ... "SPA" is used only with certain Windows networks, not with Internet Email).
  4. Click the 'More Settings' button
  5. Select the Outgoing Server tab
  6. Turn ON "My outgoing server (SMTP) requires authentication"
  7. Select the "Log on using..." option, and enter the username and password again, or select 'Use same settings as incoming'
  8. Make sure the "Secure Password Authentication" setting on this screen is OFF
  9. Select the Advanced tab
  10. Enable SSL for incoming and outgoing:
    • Beneath the incoming and outgoing ports, tick the checkbox next to 'This server requires an encrypted/secure connection (SSL)'.
    • If incoming or outgoing has a 'Use the following type of encrypted connection' option instead of the above, select 'SSL' from the pulldown next to it.
  11. Set the Outgoing server (SMTP) port number to 465. The Incoming port should change to 995 or 993 automatically depending on whether you use POP3 or IMAP.
  12. To save the changes, Click OK, then next and finish in the previous menu.

Outlook 2011 for Mac

  1. Go to the Tools menu and select 'Accounts'
  2. In the Accounts menu, select the account to be changed
  3. In the Incoming and Outgoing server sections, check "Use SSL to connect". The Incoming port should change to 995 for POP, or 993 for IMAP
  4. If the outgoing port doesn't change automatically, check "Override default port" and set the port to 465 for SSL or 587 for TLS.
  5. Click the "More Options" button
  6. In the "Settings for: mail.swcp.com" window, set 'Authentication' to "Use Incoming Server Info"
  7. Click OK, then close the Accounts window to finish.

Mac Mail (OSX 10.11 El Capitan and earlier)

  1. Go to the Mail menu and select 'Preferences'
  2. In the Accounts menu of Preferences, select your SWCP account
  3. In the 'Account Information' section, click on the pulldown menu next to 'Outgoing Mail Server (SMTP) and select 'Edit SMTP Server List'
  4. In the following menu, click on the outgoing server that's marked as 'In Use By' your account. The server should be 'mail.swcp.com'
  5. Click on the 'Advanced' section
  6. Tick the 'Use SSL' checkbox, and set the port to 465.
  7. Next to 'Authentication', choose 'Password' from the pulldown menu. A username and password field will appear.
  8. Type your SWCP username and password into the fields
  9. Click OK, then close the Preferences menu. If you are prompted to do save your changes, click 'Save'

Mac Mail (macOS 10.12 Sierra and later)

  1. Go to the Mail menu and select 'Preferences'
  2. In the Accounts menu of Preferences, select your SWCP account
  3. Click the Advanced tab, uncheck the two "Automatically manage connection settings" checkboxes, and enter the following information into incoming AND outgoing server sections:
    1. Check 'Use TLS/SSL'
    2. Incoming port: 995 for POP, or 993 for IMAP
    3. Outgoing port: 465 or 587
    4. Authentication: Password
    5. Username and password: your SWCP logon information.
  4. Close the Preferences menu, clicking "Save Changes" if prompted.

Apple iOS Mail (iPad, iPhone)

  1. The mail account setup wizard will choose SSL by default
  2. To configure authenticated SMTP, just type your SWCP login info in to the outgoing username

and password fields (they are marked as 'optional' by default)

If you have already setup your account in iOS Mail and need to add in SMTP authentication later

  1. Go to Settings > Mail > Accounts
  2. In the Accounts list, select on your SWCP account
  3. Select your email address in the "Account" row
  4. In the Account menu, select the server listed next to "SMTP" in the Outgoing Mail Server section (should be "mail.swcp.com")
  5. In the SMTP menu, tap the "On >" item in the Primary Server field.
  6. Enter the following settings:
    1. Host Name: mail.swcp.com
    2. User Name: your SWCP username
    3. Password: your SWCP password
    4. Use SSL: Enabled
    5. Authentication: Password
    6. Server Port: 465 or 587
  7. Select "Done"

Android Mail (called Gmail on later versions)

  1. During setup, set SSL/Connection security/Security type (the wording varies) to "SSL, accept all certificates"
  2. In the outgoing server section, check "require sign-in" to enable authenticated SMTP


Evolution

In the section for creating a new email account or editing an existing one:

  1. On the Receiving Mail page:
    • Set "Use Secure Connection" to TLS Encryption
    • Set "Authentication Type" to Password
    • Put a checkmark in the "Remember Password" box.
  2. On the Sending Mail page:
    • Set "Server Type" to SMTP, set "Server" to mail.swcp.com
    • Put a checkmark in the "Server Requires Authentication" box.
    • Set "Use Secure Connection" to TLS Encryption
    • Set "Authentication" to "Login"
    • Set "Username" to your email account username.
    • Check the "Remember Password" box.

Eudora

  1. First exit Eudora.
  2. Look in the Eudora directory for the folder "Extrastuff".
  3. In this folder there is a file named "esoteric.epi". Drag this file into the main Eudora directory.
  4. Restart Eudora then go to the Tools menu, Options, Ports, and change the ports here as needed.
  5. In the Sending Mail Category make sure "Allow Authentication" is checked
  6. Also, in the drop down box that says "Secure Sockets when Sending" set it to Required: Alternate Port (465).

This uses the login name for the incoming mail. These steps are for Windows versions and may not be exact for a Mac.

Others?

If you use a mail program not covered here, please tell us what it is and we will try to add instructions for it.

See Also

Retrieved from "https://wiki.swcp.com/w/index.php?title=Authenticated_SMTP&oldid=2130"