[Bug 625023] Re: invalid myhostname parameter allowed during configuration

[Robie Basak]

I've just picked up a duplicate of this. Both this and the other bug
involve hostnames involving comcast.net. I suspect that Comcast's DHCP
service is resulting in these hostnames.

If this is true, then either:

1) A dot terminating a hostname should be disallowed, and the DHCP
client should remove a terminating dot from a DHCP response before
applying it to the hostname, or

2) The postfix package should remove any terminating dot before
supplying a hostname automatically.

Note that the other duplicate (bug 629685) is slightly different - it is
invalid for a different reason.

Workaround: configure the Postfix hostname using /etc/mailname as Clint
describes in comment #2.

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Title:
  invalid myhostname parameter allowed during configuration

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