[somewhat edited for brevity...]
const char *get_hostname(void)
{
/*
* The gethostname() call is not (or not yet) in ANSI or POSIX, but it is
* part of the socket interface library. We avoid the more politically-
* correct uname() routine because that has no portable way of dealing
* with long (FQDN) hostnames.
*/
if (my_host_name == 0) {
if (gethostname(namebuf, sizeof(namebuf)) < 0)
msg_fatal("gethostname: %m");
postfix doesn't call uname. Sounds like glibc is doing something
"helpful".
lamont
** Changed in: glibc (Ubuntu)
Sourcepackagename: postfix => glibc
--
Postfix myhostname defaults to uname() not gethostname().
https://bugs.launchpad.net/bugs/180551
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