a new sendmail question
 

Tom Horsley wrote:

I have tried to poke around in google for this before,
but never found a satisfactory answer.

Say I'm not running my own server, I don't have a domain name,
i.e., a typical home computer.

Can I configure sendmail to shuffle local mail around to
local mailboxes, and take mail to external addresses
sent by me and direct it to my ISP smtp server (which
needs an SSL connection and user and password
authorization).

Or is there something that can act a lot like sendmail
but is easier to configure to do this sort of thing?



The short answer is that you can do what you want with sendmail. I used
to run my own mail server but it was too much of a pain. My ISP doesn't
allow servers to be run by users and some mail servers will not accept
mail sent from dynamic addresses. I now use fetchmail to pull mail down
for all users (my family) from my ISP's servers. They access their mail
directly from their mailboxes on my server which uses dovecot. All sent
mail is sent to my mail server to be forwarded by sendmail to my ISP's
server for delivery. I have sendmail configured to authenticate with
the ISP server (also uses SSL and password).


I like to run sendmail on my server as it allows me to use spamassassin
and MailScanner. Between these two programs I only see one or two spam
emails a week (hundreds are screened out and discarded everyday). I
used to screen out quite a few virus emails but my ISP has been doing
pretty well getting rid of those. I put this together a few years ago
when my ISP was really struggling with mail. Since it's working so well
I've just left it inplace.


It sounds complicated but it's really pretty straight forward.

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a new sendmail question
 

Gerry Doris wrote:

Tom Horsley wrote:

I have tried to poke around in google for this before,
but never found a satisfactory answer.

Say I'm not running my own server, I don't have a domain name,
i.e., a typical home computer.

Can I configure sendmail to shuffle local mail around to
local mailboxes, and take mail to external addresses
sent by me and direct it to my ISP smtp server (which
needs an SSL connection and user and password
authorization).

Or is there something that can act a lot like sendmail
but is easier to configure to do this sort of thing?



The short answer is that you can do what you want with sendmail. I used
to run my own mail server but it was too much of a pain. My ISP doesn't
allow servers to be run by users and some mail servers will not accept


I flatly refuse such accounts.

mail sent from dynamic addresses. I now use fetchmail to pull mail down


So configure your server to relay via your ISP's mail server, Probably
you should, for other reasons. However, I also avoid dynamic IP and I've
not had any problems sending mail direct to the recipeint's MX.


for all users (my family) from my ISP's servers. They access their mail
directly from their mailboxes on my server which uses dovecot. All sent
mail is sent to my mail server to be forwarded by sendmail to my ISP's
server for delivery. I have sendmail configured to authenticate with
the ISP server (also uses SSL and password).


I've used fetchmail extensively (possibly you will even find my name in
the documentation), and it's good at what it does.




I like to run sendmail on my server as it allows me to use spamassassin
and MailScanner. Between these two programs I only see one or two spam
emails a week (hundreds are screened out and discarded everyday). I


How much good mail do you discard?


used to screen out quite a few virus emails but my ISP has been doing
pretty well getting rid of those. I put this together a few years ago
when my ISP was really struggling with mail. Since it's working so well
I've just left it inplace.


It sounds complicated but it's really pretty straight forward.


I do not discard email in my mail systems. I refuse to accept it, or I
filter suspected spam into users' spam folder. I have seen false
positives - e*trade is stupid.


I also have a rough filter that drops email that may contain suspect
attachments into users' Windwoes folders.







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John

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a new sendmail question
 

John Summerfield wrote:

Gerry Doris wrote:

Tom Horsley wrote:

I have tried to poke around in google for this before,
but never found a satisfactory answer.

Say I'm not running my own server, I don't have a domain name,
i.e., a typical home computer.

Can I configure sendmail to shuffle local mail around to
local mailboxes, and take mail to external addresses
sent by me and direct it to my ISP smtp server (which
needs an SSL connection and user and password
authorization).

Or is there something that can act a lot like sendmail
but is easier to configure to do this sort of thing?



The short answer is that you can do what you want with sendmail. I
used to run my own mail server but it was too much of a pain. My ISP
doesn't allow servers to be run by users and some mail servers will
not accept


snip...



I like to run sendmail on my server as it allows me to use
spamassassin and MailScanner. Between these two programs I only see
one or two spam emails a week (hundreds are screened out and
discarded everyday). I


How much good mail do you discard?

I do not discard email in my mail systems. I refuse to accept it, or I
filter suspected spam into users' spam folder. I have seen false
positives - e*trade is stupid.


I also have a rough filter that drops email that may contain suspect
attachments into users' Windwoes folders.


I don't discard any good mail. In fact, I keep all email received for 2
weeks. After this period it's automatically discarded. Every few days
I do a quick check to ensure there haven't been any false positives. I
use a program to sort the emails by their spamassassin number. A pass
is anything below 5. Email between 5 and 6 is marked as possible spam
but delivered.

In several years I haven't seen a nonspam email above 10. A glance at
the subject and email sender is usually enough to verify it's really
spam. I white list those senders that we want but are normally flagged
as spam (eg. stock newsletters). I rarely blacklist since spammers
change/fake their ip's.


A nice feature of spamassassin is that it builds a database of what
should be considered spam. The more emails processed the more accurate
it becomes. Since this is my home system there are only a few users.
It's relatively easy to eliminate virtually all spam.


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