On Fri, April 14, 2006 18:46, Marc Powell wrote: > > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> > [mailto:squirrelmail- > >> [EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: >> Friday, April 14, 2006 11:22 AM >> To: [EMAIL PROTECTED] >> Cc: [email protected] >> Subject: Re: [SM-USERS] mail from empty when sending read receipt >> >> >>>> Hi. >>>> >>>> >>>> I'm using squirrel mail 1.4.6 under debian etch. >>>> >>>> >>>> My mailserver refuses empty mail from's. Squirrel seems to send >>>> > empty >>>> mail from's when answering read receipts. Can that be turned off so >>>> >> that >>>> it uses the current email address of the user? Basically it must > work, >>>> because when sending an email, it uses the right address as sender. >>>> >>>> >>>> Any hints? >>>> >>> >>> Your mail server is violating RFC. >>> Any "bad mail from" or receipt message uses "<>" as "mail from". >>> This means these messages must not be replied (think about >>> >> autoresponders). >> >> I don't want to start a discussion about rfc compliance vs. stopping >> > spam. >> My question is still unanswered. Is there such an option or not? >> > > Your answer is no. RFC compliance is why the Internet works. Period. SM > is RFC compliant. Your mail server is not and is therefore broken. DSN > notifications are sent with a null sender to prevent mail loops. If you're > not following the rules you can't expect others to change to fix your > problems. > > http://www.faqs.org/rfcs/rfc1891.html > > > 7.1 SMTP Envelope to be used with delivery status notifications > > > The DSN sender address (in the SMTP MAIL command) MUST be a null > reverse-path ("<>"), as required by section 5.3.3 of [9]. The DSN > recipient address (in the RCPT command) is copied from the MAIL command > which accompanied the message for which the DSN is being issued. When > transmitting a DSN via SMTP, the RET parameter MUST NOT be used. The > NOTIFY parameter MAY be used, but its value MUST be > NEVER. The ENVID parameter (with a newly generated envelope-id) > and/or ORCPT parameter MAY be used. > > -- > Marc > >
Well said. I couldn't said it better ;-) Regards, Marc Groot Koerkamp ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 -- squirrelmail-users mailing list Posting Guidelines: http://www.squirrelmail.org/wiki/MailingListPostingGuidelines List Address: [email protected] List Archives: http://news.gmane.org/thread.php?group=gmane.mail.squirrelmail.user List Archives: http://sourceforge.net/mailarchive/forum.php?forum_id=2995 List Info: https://lists.sourceforge.net/lists/listinfo/squirrelmail-users
