---
name: "Sisimai::Reason::ContentError"
section: "3pm"
platform: "linux"
package: "libsisimai-perl"
version: "5.3.0-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Sisimai::Reason::ContentError"
---

# Sisimai::Reason::ContentError(3pm)

Bounce reason is "contenterror" or not.

## NAME

Sisimai::Reason::ContentError - Bounce reason is "contenterror" or not.

## SYNOPSIS

```
    use Sisimai::Reason::ContentError;
    print Sisimai::Reason::ContentError->match('550 Message Filterd'); # 1
```

## DESCRIPTION

`"Sisimai::Reason::ContentError"` checks the bounce reason is `"contenterror"` or not. This class is called only `"Sisimai::Reason"` class.

This is the error that the destination mail server has rejected email due to the header format of the email like the following. Sisimai will set `"contenterror"` to the reason of the email bounce if the value of `"Status:"` field in a bounce email is `"5.6.*"`.

- \- 8 bit data in message header

  - \- Too many "Received:" headers

  - \- Invalid MIME headers

  ```
    ... while talking to g5.example.net.:
    >>> DATA
    <<< 550 5.6.9 improper use of 8-bit data in message header
    554 5.0.0 Service unavailable
```

## CLASS METHODS

### "text()"

`text()` method returns the fixed string `"contenterror"`.

```
    print Sisimai::Reason::ContentError->text;  # contenterror
```

### "match(string)"

`match()` method returns `1` if the argument matched with patterns defined in this class.

```
    print Sisimai::Reason::ContentError->match('550 Message Filterd'); # 1
```

### "true(Sisimai::Fact)"

`true()` method returns `1` if the bounce reason is `"contenterror"`. The argument must be `"Sisimai::Fact"` object and this method is called only from `"Sisimai::Reason"` class.

## AUTHOR

azumakuniyuki

## COPYRIGHT

Copyright (C) 2014-2016,2018,2021,2022,2024 azumakuniyuki, All rights reserved.

## LICENSE

This software is distributed under The BSD 2-Clause License.