Heirloom mailx (previously known as nail) is a mail user agent (MUA) for Unix systems.
Highlights are:
* Derived from Berkeley Mail 8.1. An interface like the original Berkeley one is still optionally available.
* Is a free implementation of the System V mailx command and features an interface like that by default.
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These details are provided for information only. No information here is legal advice and should not be used as such.
Commercial Use
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Place Warranty
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Use Patent Claims
Hold Liable
Use Trademarks
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These details are provided for information only. No information here is legal advice and should not be used as such.
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Hold Liable
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Sub-License
Hold Liable
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Commercial Use
Commercial Use
Distribute
Distribute
Modify
Modify
Hold Liable
Hold Liable
Include Copyright
Include Copyright
Rename
Rename
These details are provided for information only. No information here is legal advice and should not be used as such.
There are no reported vulnerabilities
30 Day SummaryJun 13 2025 — Jul 13 2025
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12 Month SummaryJul 13 2024 — Jul 13 2025
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