could not read from amavisd socket /var/amavis/amavisd.sock: No error: 0

[Damian]

> amavisd-milter then does log this line:
> could not read from amavisd socket /var/amavis/amavisd.sock: No error: 0

The amavisd-milter code is:

> logqidmsg(mlfi, LOG_ERR, "could not read from amavisd socket %s: %s",     
>     amavisd_socket, strerror(errno));
> logqidmsg(mlfi, LOG_DEBUG, "amavisd response line %s", mlfi->mlfi_amabuf);

Apparently there could be a response line. Can you turn on debug mode?