Outbound Filtering
Learn how to configure, manage, and troubleshoot MailChannels Outbound Filtering to improve email deliverability, block spam, and protect your sending reputation.
Getting Started
- ★ Create a password for your account
- ★ Set up SPF Records
- ★ Configure your mail server
- ★ Monitors
- Top Senders
- How does MailChannels Outbound Filtering work?
Frequently Asked Questions
- ★ Why do I have to set up SPF to use MailChannels Outbound Filtering?
- ★ How to add an additional Host Console user
- ★ Which IP addresses does MailChannels send out of?
- Does MailChannels have a reseller partner program?
- Can MailChannels send webhook notifications to Slack?
- MailChannels Outbound Filtering - Severity Level Definitions
MTA Configuration
- ★ MailChannels: Setup Postfix
- ★ MailChannels: Setup cPanel
- MailChannels: Advanced Exim Configuration Guide
- MailChannels: Setup Qmail
- Setting up MailEnable with MailChannels
- Setting up for Microsoft Exchange 2019
Knowledge Base
- ★ Secure your domain name against spoofing with Domain Lockdown™
- ★ Administrators - How to remediate the "550 5.7.1 [ESA] sender blocked" error?
- ★ MailChannels Insights
- File Attachments Blocked by MailChannels
- Configuring Oracle Hospitality Suite8 (Fidelio Suite 8) to Use MailChannels as an SMTP Smart Host
- How can I determine who sent an email message using MailChannels' IP addresses?
Best Practices
Billing & Account Management
- ★ How to change plans
- ★ Do you charge for spam messages?
- How can I get copies of my MailChannels invoices or statements?
- How does MailChannels determine what is counted when gathering usage data?
- How do I update my credit card billing information?
- How do I upgrade my subscription?
SMTP Error Codes
- ★ Fixing the 550 5.7.1 [SS] error
- ★ Fixing the 550 5.7.1 [RBL] Sender blocked <IP or domain> error
- ★ Fixing the 550 5.7.1 [CS] Message blocked. error
- ★ Fixing the 550 5.7.1 [IRR] error
- ★ Fixing the 550 5.7.1 [FBL] error
- ★ Fixing the 550 5.7.1 [ESA] sender blocked error