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This guide walks you through configuring SmarterMail to relay all outbound mail through MailChannels Outbound Filtering. Instructions are provided for SmarterMail 16.x and the older SmarterMail 10/11 releases.

Prerequisites

  • System administrator access to SmarterMail
  • Your MailChannels SMTP username and password

SmarterMail 16.x

1

Add an outgoing gateway

Log in as the system administrator. Navigate to Settings > Gateways / Failover > Outgoing and click New.Configure the gateway with the following values:
FieldValue
Server addresssmtp.mailchannels.net
Port25 (or 587 / 2525 if port 25 is blocked)
EncryptionTLS
StatusEnabled
PriorityNormal
Enable authenticationOn
SMTP usernameYour MailChannels SMTP username
PasswordYour MailChannels SMTP password
Click Save.SmarterMail 16 outgoing gateway configuration
2

Enable the authenticated sender header

Navigate to Settings > Protocols > SMTP Out.Enable the option Append X-SmarterMail-Authentication as header. MailChannels uses this header to identify the authenticated sender and track per-sender reputation.SmarterMail 16 SMTP Out header setting

SmarterMail 11

1

Add an outgoing gateway

Navigate to Settings > Routing > Outgoing Gateway and create a new gateway with the following values:
FieldValue
Server addresssmtp.mailchannels.net
Port25
EncryptionTLS
Authentication enabledChecked
Auth usernameYour MailChannels SMTP username
Auth passwordYour MailChannels SMTP password
SmarterMail 11 outgoing gateway configuration
2

Enable the authenticated sender header

Navigate to Settings > Protocol Settings > SMTP Out.Enable the option Append authenticated as header for outgoing messages.SmarterMail 11 SMTP Out header setting

SmarterMail 10

SmarterMail 10 does not support adding X-headers, which means MailChannels cannot identify individual authenticated senders. Upgrading to SmarterMail 11 or later is recommended.
1

Add an outgoing gateway

Navigate to Settings > Routing > Outgoing Gateway and create a new gateway with the following values:
FieldValue
Server addresssmtp.mailchannels.net
Port25
EncryptionTLS
Authentication enabledChecked
Auth usernameYour MailChannels SMTP username
Auth passwordYour MailChannels SMTP password
SmarterMail 10 outgoing gateway configuration