[OpenIndiana-discuss] sendmail single user host sending to internet thru Smarthost: examples

[Jonathan Adams]

if you don't have a resolvable domain, you might well have issues with
receiving the emails at the other end ...

if you're using a smart-host you might not have this trouble, but if you're
not able to reverse lookup your IP address your email will be rejected by
the remote host.

segments from my sendmail.mc, not that I use sendmail any more since the
company took the decision to move to office365 ...

VERSIONID(`@(#)main-v7sun.mc    1.2 (Sun) 01/27/98')
OSTYPE(solaris2.ml)dnl
DOMAIN(solaris-generic)dnl
MASQUERADE_AS(domain.com)
FEATURE(masquerade_envelope)dnl
FEATURE(masquerade_entire_domain)dnl
MASQUERADE_DOMAIN(domain.com)

FEATURE(`nocanonify')
FEATURE(use_cw_file)

FEATURE(`access_db')
# to create /etc/mail/access.db (for allowed local hosts) do 'makemap hash
/etc/mail/access < /etc/mail/sendmail.access'

define(`confPRIVACY_FLAGS',
`authwarnings,restrictqrun,noreceipts,noexpn,novrfy,noetrn')dnl
define(`confDONT_PRUNE_ROUTES', `True')dnl
define(`confCOPY_ERRORS_TO', `postmaster')dnl
define(`confSEPARATE_PROC', `True')dnl
define(`confQUEUE_SORT_ORDER', `time')dnl

define(`confMIN_QUEUE_AGE', `30m')dnl
define(`confTO_QUEUERETURN', `2d')dnl
define(`confTO_QUEUERETURN_URGENT', `4h')dnl

define(`SMART_HOST', `[salmon190-19]')dnl
define(`confDOMAIN_NAME', `domain.com')
MAILER(local)dnl
MAILER(smtp)dnl


On 22 August 2017 at 20:48, Harry Putnam <reader at newsguy.com> wrote:

> Can anyone here show a working example of sendmail setup for single
> user HOST sending mail out by relay to a `smarthost'
>
> More explicitly, the host has no REAL domain name just a made up domain
> of the home lan, not resolvable from internet.
>
> I would guess such a host would be doing something with
> `genericstable', or `masquerading' of a resolovable domain or maybe
> both.
>
> My internet provider is comcast and far as I know, short of a
> commercial contract, do not give there users home hosts domain names,
> but a dynamic IP.
>
> I'd really like to see a working setup example of sendmail.mc for a
> similar kind of setup as I've described.
>
>
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