Re: On mail principles
On 2006-06-08 23:15, Andrey Slusar [EMAIL PROTECTED] wrote: Thu, 8 Jun 2006 02:08:53 +0300, Giorgos Keramidas wrote: [...] I use mutt, which has an option to set the envelope-from address: set envelope_from=yes# set the envelope-from address from From: For the rest of the programs, like mail(1), my Sendmail setup sets envelope-from to one of my valid outside-world addresses. This is accomplished with the following in my `sendmail.mc' file: You need write the howto sendmail for newbies :) Thanks. I keep saying to myself that we need task-based guides in our Handbook, separated by user-type (i.e. Sendmail for FreeBSD Users, Sendmail for FreeBSD Administrators, etc.) Right now, I don't have the time to do something like this, but summer and vacations is a good period for a bit of this sort of work :) ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
Thu, 8 Jun 2006 02:08:53 +0300, Giorgos Keramidas wrote: For the rest of the programs, like mail(1), my Sendmail setup sets envelope-from to one of my valid outside-world addresses. This is accomplished with the following in my `sendmail.mc' file: dnl Trusted users, who are allowed to change their envelope-from address dnl without generating a warning in the message header, are listed, one per dnl line, in `sendmail.ct'. define(`confCT_FILE', `-o /etc/mail/sendmail.ct') FEATURE(`use_cw_file')dnl ^^^ Small mistake - FEATURE(`use_ct_file')dnl. -- Regards, Andrey. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
On 2006-06-09 16:37, Andrey Slusar [EMAIL PROTECTED] wrote: Thu, 8 Jun 2006 02:08:53 +0300, Giorgos Keramidas wrote: For the rest of the programs, like mail(1), my Sendmail setup sets envelope-from to one of my valid outside-world addresses. This is accomplished with the following in my `sendmail.mc' file: dnl Trusted users, who are allowed to change their envelope-from address dnl without generating a warning in the message header, are listed, one per dnl line, in `sendmail.ct'. define(`confCT_FILE', `-o /etc/mail/sendmail.ct') FEATURE(`use_cw_file')dnl ^^^ Small mistake - FEATURE(`use_ct_file')dnl. Ah, thanks! I knew I would do something stupid by copy-pasting only the relevant bits from my real *.mc file :) ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
On Thu, Jun 08, 2006 at 02:08:53AM +0300, Giorgos Keramidas wrote: On 2006-06-07 20:20, [EMAIL PROTECTED] wrote: A brief: How to use envelope from provided that I have a mailbox on ISP. A full explanation: My computer has no static IP-address, nor DNS-name in Internet. Internally, it has static name localhost and static IP-address 127.0.0.1. So, I have a mail address [EMAIL PROTECTED]. But I cannot send a mail to the world using this address in envelope from because of 1) Internet MTAs cancel mail whith such an address in envelope from; 2) such an address is useless to recipient. My address in the world is [EMAIL PROTECTED]. So, I make my MUA to send a letter using a command setting envelope from to [EMAIL PROTECTED]. (like sendmail -f [EMAIL PROTECTED] for sendmail, see X-Authentication-Warning in the header of this mail) But this way is bad for local purposes: my MTA's diagnostic messages are sent trough internet or lost at all, e. g. when my ADSL is in down. (Moreover, my letters sent to other local users have non-local envelope from address. Then local mail begin to go through external MTA.) What to do in such a situation? I use mutt, which has an option to set the envelope-from address: set envelope_from=yes# set the envelope-from address from From: For the rest of the programs, like mail(1), my Sendmail setup sets envelope-from to one of my valid outside-world addresses. This is accomplished with the following in my `sendmail.mc' file: dnl Trusted users, who are allowed to change their envelope-from address dnl without generating a warning in the message header, are listed, one per dnl line, in `sendmail.ct'. define(`confCT_FILE', `-o /etc/mail/sendmail.ct') FEATURE(`use_cw_file')dnl dnl Allow mail routing exceptions through a mailer table. FEATURE(`mailertable', `hash /etc/mail/mailertable') dnl Address masquerading. dnl dnl Making sure that all email that passes through my desktop's Sendmail dnl installation is masqueraded as coming from `gothmog.pc', even if its original dnl address is something slightly different (i.e. `ftp.pc' or `mail.pc'), is dnl ok here. It ensures that address rewriting and translation through dnl `genericstable' will also work for all `*.pc' host names. dnl dnl To make sure that remote hosts don't get a MAIL FROM address from a dnl hostname that doesn't resolve, envelope addresses are masqueraded too, and dnl then get rewritten by `genericstable' to real-world addresses, dnl i.e. [EMAIL PROTECTED]'. MASQUERADE_AS(`gothmog.pc') FEATURE(`masquerade_entire_domain') FEATURE(`masquerade_envelope') dnl Rewriting the envelope-from address of all outgoing messages through a dnl `genericstable' lookup, ensures that envelope-from addresses seen by relay dnl hosts are real, i.e. [EMAIL PROTECTED]' instead of the default dnl envelope-from of [EMAIL PROTECTED]' that Sendmail would use. This is dnl required some times, to avoid getting bounces for messages from ISP mail dnl relays that are misconfigured or are too strict about what can appear in a dnl MAIL FROM command. FEATURE(`genericstable', `hash -o /etc/mail/genericstable') GENERICS_DOMAIN(`gothmog.pc') FEATURE(`generics_entire_domain') This looks like quite a mouthful of options, but it's not really that difficult to read. It's only big because of all the comments. The file `/etc/mail/sendmail.ct' contains my username, because I trust myself to use valid envelope-from addresses. This turns off the X-Authentication-Warning header which is so annoying for you too. Then, in `/etc/mail/mailertable' I have an exception for my internal, work-related email, and send it directly to the company's mail gateway: # Custom mail routing rules. This is currently useful only # for routing work-related email through the VPN connection # to my company's mail relay. # foo.com smtp:mailgate.foo.com .foo.com smtp:mailgate.foo.com Finally, in my `/etc/mail/genericstable' map, I rewrite the envelope-from of all the rest of email messages, like this: # Outgoing email address rewriting. [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] These options are, of course, just a suggestion. You don't *HAVE* to use a setup similar to mine. - Giorgos This is exactly what I want. Thank you. Elisej Babenko ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
On Wed, Jun 07, 2006 at 05:43:23PM -0400, Charles Swiger wrote: On Jun 7, 2006, at 1:20 PM, [EMAIL PROTECTED] wrote: But this way is bad for local purposes: my MTA's diagnostic messages are sent trough internet or lost at all, e. g. when my ADSL is in down. (Moreover, my letters sent to other local users have non-local envelope from address. Then local mail begin to go through external MTA.) What to do in such a situation? See the sendmail documentation [1] on MASQUERADE_AS(). -- -Chuck [1]: /usr/share/sendmail/cf/README, or check the FAQ from www.sendmail.org... That is not a proper feature because of different local users can use world mail addresses with different hostnames. But masquerading is good only for one domain. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
On 2006-06-08 08:05, [EMAIL PROTECTED] wrote: On Thu, Jun 08, 2006 at 02:08:53AM +0300, Giorgos Keramidas wrote: On 2006-06-07 20:20, [EMAIL PROTECTED] wrote: A brief: How to use envelope from provided that I have a mailbox on ISP. [...] [description of a masquerading+genericstable Sendmail setup] This is exactly what I want. Thank you. Cool! If you need more help setting things up, let us know :) ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
[EMAIL PROTECTED] wrote: On Wed, Jun 07, 2006 at 05:43:23PM -0400, Charles Swiger wrote: On Jun 7, 2006, at 1:20 PM, [EMAIL PROTECTED] wrote: But this way is bad for local purposes: my MTA's diagnostic messages are sent trough internet or lost at all, e. g. when my ADSL is in down. (Moreover, my letters sent to other local users have non-local envelope from address. Then local mail begin to go through external MTA.) What to do in such a situation? See the sendmail documentation [1] on MASQUERADE_AS(). -- -Chuck [1]: /usr/share/sendmail/cf/README, or check the FAQ from www.sendmail.org... That is not a proper feature because of different local users can use world mail addresses with different hostnames. But masquerading is good only for one domain. I believe newer postfixes have support for masquerading different local users with different external addresses when sending mail externally. Haven't tried it: just noted the feature in some email somewhere for future evaluation, so take with the usual pinch of salt. --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
Thu, 8 Jun 2006 02:08:53 +0300, Giorgos Keramidas wrote: [...] I use mutt, which has an option to set the envelope-from address: set envelope_from=yes# set the envelope-from address from From: For the rest of the programs, like mail(1), my Sendmail setup sets envelope-from to one of my valid outside-world addresses. This is accomplished with the following in my `sendmail.mc' file: You need write the howto sendmail for newbies :) -- Regards, Andrey. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
On Jun 7, 2006, at 1:20 PM, [EMAIL PROTECTED] wrote: But this way is bad for local purposes: my MTA's diagnostic messages are sent trough internet or lost at all, e. g. when my ADSL is in down. (Moreover, my letters sent to other local users have non-local envelope from address. Then local mail begin to go through external MTA.) What to do in such a situation? See the sendmail documentation [1] on MASQUERADE_AS(). -- -Chuck [1]: /usr/share/sendmail/cf/README, or check the FAQ from www.sendmail.org... ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: On mail principles
On 2006-06-07 20:20, [EMAIL PROTECTED] wrote: A brief: How to use envelope from provided that I have a mailbox on ISP. A full explanation: My computer has no static IP-address, nor DNS-name in Internet. Internally, it has static name localhost and static IP-address 127.0.0.1. So, I have a mail address [EMAIL PROTECTED]. But I cannot send a mail to the world using this address in envelope from because of 1) Internet MTAs cancel mail whith such an address in envelope from; 2) such an address is useless to recipient. My address in the world is [EMAIL PROTECTED]. So, I make my MUA to send a letter using a command setting envelope from to [EMAIL PROTECTED]. (like sendmail -f [EMAIL PROTECTED] for sendmail, see X-Authentication-Warning in the header of this mail) But this way is bad for local purposes: my MTA's diagnostic messages are sent trough internet or lost at all, e. g. when my ADSL is in down. (Moreover, my letters sent to other local users have non-local envelope from address. Then local mail begin to go through external MTA.) What to do in such a situation? I use mutt, which has an option to set the envelope-from address: set envelope_from=yes# set the envelope-from address from From: For the rest of the programs, like mail(1), my Sendmail setup sets envelope-from to one of my valid outside-world addresses. This is accomplished with the following in my `sendmail.mc' file: dnl Trusted users, who are allowed to change their envelope-from address dnl without generating a warning in the message header, are listed, one per dnl line, in `sendmail.ct'. define(`confCT_FILE', `-o /etc/mail/sendmail.ct') FEATURE(`use_cw_file')dnl dnl Allow mail routing exceptions through a mailer table. FEATURE(`mailertable', `hash /etc/mail/mailertable') dnl Address masquerading. dnl dnl Making sure that all email that passes through my desktop's Sendmail dnl installation is masqueraded as coming from `gothmog.pc', even if its original dnl address is something slightly different (i.e. `ftp.pc' or `mail.pc'), is dnl ok here. It ensures that address rewriting and translation through dnl `genericstable' will also work for all `*.pc' host names. dnl dnl To make sure that remote hosts don't get a MAIL FROM address from a dnl hostname that doesn't resolve, envelope addresses are masqueraded too, and dnl then get rewritten by `genericstable' to real-world addresses, dnl i.e. [EMAIL PROTECTED]'. MASQUERADE_AS(`gothmog.pc') FEATURE(`masquerade_entire_domain') FEATURE(`masquerade_envelope') dnl Rewriting the envelope-from address of all outgoing messages through a dnl `genericstable' lookup, ensures that envelope-from addresses seen by relay dnl hosts are real, i.e. [EMAIL PROTECTED]' instead of the default dnl envelope-from of [EMAIL PROTECTED]' that Sendmail would use. This is dnl required some times, to avoid getting bounces for messages from ISP mail dnl relays that are misconfigured or are too strict about what can appear in a dnl MAIL FROM command. FEATURE(`genericstable', `hash -o /etc/mail/genericstable') GENERICS_DOMAIN(`gothmog.pc') FEATURE(`generics_entire_domain') This looks like quite a mouthful of options, but it's not really that difficult to read. It's only big because of all the comments. The file `/etc/mail/sendmail.ct' contains my username, because I trust myself to use valid envelope-from addresses. This turns off the X-Authentication-Warning header which is so annoying for you too. Then, in `/etc/mail/mailertable' I have an exception for my internal, work-related email, and send it directly to the company's mail gateway: # Custom mail routing rules. This is currently useful only # for routing work-related email through the VPN connection # to my company's mail relay. # foo.com smtp:mailgate.foo.com .foo.comsmtp:mailgate.foo.com Finally, in my `/etc/mail/genericstable' map, I rewrite the envelope-from of all the rest of email messages, like this: # Outgoing email address rewriting. [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] These options are, of course, just a suggestion. You don't *HAVE* to use a setup similar to mine. - Giorgos ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
