diff --git a/en_US.ISO8859-1/books/faq/book.xml b/en_US.ISO8859-1/books/faq/book.xml index 362a64d541..f0b1855d78 100644 --- a/en_US.ISO8859-1/books/faq/book.xml +++ b/en_US.ISO8859-1/books/faq/book.xml @@ -7643,69 +7643,53 @@ hint.sio.7.irq="12" The FreeBSD.org mail - system implements some of the stricter - Postfix checks on incoming mail - and rejects mail that is either misconfigured or is - potential spam. Your mail might bounce for one of the - following reasons: + system implements some + Postfix checks on incoming mail + and rejects mail that is either from misconfigured relays or + otherwise appears likely to be spam. Some of the + specific requirements are: - The email is being sent from a known spam domain or - IP block. - - The &os; mail servers reject email from known spam - sources. If you have service through a company or - domain who generates or relays spam, please switch to a - service provider who does not. + The IP address of the SMTP client must + "reverse-resolve" to a forward + confirmed hostname. - The body of the email only contains HTML. + The fully-qualified hostname given in the + SMTP conversation (either HELO or EHLO) must resolve + to the IP address of the client. + + - Mail should be sent in plain text only. Please - configure your mail user agent to send plain - text. + Other advice to help your mail reach its destination + include: + + + + Mail should be sent in plain text, and messages + sent to mailing lists should generally be no more than + 200KB in length. - The mailer at FreeBSD.org cannot resolve - the IP address of the connecting host back to a - symbolic name. - - Working reverse DNS is a standard requirement for - accepting mail from a host. Set up reverse DNS for your - mail server's IP address. Many home services (DSL, - cable, dialup, etc.) will not give you this option. In - this case, relay your email through your service - provider's mail server. - - - - The hostname given in the EHLO/HELO part of the SMTP - exchange cannot be resolved to an IP address. - - A fully qualified, resolvable host name is necessary - in this part of the SMTP dialogue before mail will be - accepted. If you do not have a host name that is - registered in the DNS, then you should use your service - provider's mail server to relay your mail. - - - - Your message had a message ID ending with the string - localhost. - - Some mail user agents generate bad message IDs which - will not be accepted. You will need to persuade your mail - user agent to generate a valid message ID or else - configure your mail transfer agent to rewrite - them. + Avoid excessive cross posting. Choose + one mailing list which seems most + relevant and send it there. - - + + If you still have trouble with email infrastructure at + FreeBSD.org send a note + with the details to + postmaster@freebsd.org; Include a + date/time interval so that logs may be reviewed — + and note that we only keep one week's worth of mail logs. + (Be sure to specify the time zone or offset from + UTC.) + +