---
name: "Sisimai::Reason::TooManyConn"
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::TooManyConn"
---

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

Bounced due to that too many connections.

## NAME

Sisimai::Reason::TooManyConn - Bounced due to that too many connections.

## SYNOPSIS

```
    use Sisimai::Reason::TooManyConn;
    print Sisimai::Reason::TooManyConn->match('Connection rate limit exceeded');    # 1
```

## DESCRIPTION

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

This is the error that the SMTP connection was rejected temporarily due to too many concurrency connections to the remote server. This reason has added in Sisimai 4.1.26.

```
    <kijitora@example.ne.jp>: host mx02.example.ne.jp[192.0.1.20] said:
        452 4.3.2 Connection rate limit exceeded. (in reply to MAIL FROM command)
```

## CLASS METHODS

### "text()"

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

```
    print Sisimai::Reason::TooManyConn->text;  # toomanyconn
```

### "match(string)"

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

```
    print Sisimai::Reason::TooManyConn->match('Connection rate limit exceeded');  # 1
```

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

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

## AUTHOR

azumakuniyuki

## COPYRIGHT

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

## LICENSE

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