Nullmailer
Simple relay-only mail transfer agent
Nullmailer is a minimal mail transfer agent designed only to relay outgoing mail to a smart host. It is ideal for servers and workstations that need to send notifications without running a full MTA.
Key features
- Relay-only operation
- Tiny footprint
- Smart host forwarding
- Queue management
Pros & cons
Strengths
- Extremely lightweight
- Simple configuration
Trade-offs
- Cannot receive mail
- No local delivery
Nullmailer replaces
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