dovecot-dev software package provides header files for the dovecot mail server, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dovecot-dev
dovecot-dev is installed in your system.
Make ensure the dovecot-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep dovecot-dev *
You will get with dovecot-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | |
| Package | dovecot-dev |
| Version | 1:2.1.7-7+deb7u1 |
| Description | header files for the dovecot mail server |
| Sub Section |