Postfix

Unknown maillog entry
While inspecting my maillogs this morning, I came upon this entry: Apr 1 07:22:11 scorpio postfix/smtp[4534]: 24E842285F: enabling PIX workarounds: disable_esmtp delay_dotcrlf for imh.rsys4.net[12.130.135.43]:25 I don't believe I have ever seen that before. What does it mean and should I be worried about it? ... 1 Apr 2010 09:02

Relaying to SPF protected server
Hello people, Iam trying to solv a problem with relaying. I want to setup a distribution list for one domain, where will postfix only relay email for mydomain.com to selected users email addresses. No local mailboxes, only realaying list. Its quite simple, but.. but if I try to relay email comming from SPF a... 3 Apr 2010 15:56

holding local delivery
I have a setup where the local deliver using cyrus-imapd is located on an encrypted volume. When the server is rebooted, we will manually mount the volume and start the cyrus application. However, until we start cyrus, how can i configure postfix to accept email but defer or hold the local deliver indefinitel... 1 Apr 2010 09:02

reject_unknown_sender_domain behavior
Hi I want to stop MAIL FROM: somebody@[a.b.c.d] (IP address) being accepted. My impression would have been the config below would do this as say [1.1.1.1] does not have A or MX records. smtpd_sender_restrictions = reject_unknown_sender_domain How can I achieve my goal. Regards Paul Enlund. ... 31 Mar 2010 18:50

Best way to implement SRS
I know postfix has no native support for "Sender Rewriting Scheme" (IMHO it should ..) We implement forwarding using virtual_alias_maps or using cyrus+sieve. So what is the recommended way to implement SRS. I think since a milter now can do sender rewrite that will be the easiest way to do it Thanks Ram ... 31 Mar 2010 10:58

dynamic variables
is it possible to dynamically set smtpd_recipient_limit (or any other variable) using per-user lookup tables ? so I would like to set smtpd_recipient_limit for one group of users to 10 and to 100 for another. Is this possible for postfix ? ... 31 Mar 2010 08:44

[Off-Topic] Handling automatic replies sent to "from" and ignoring the "return envelope"
Hello, I guess this message is off-topic as it is only loosely related to postfix. You may stop reading this now if you are non interested in such topics. ------- I am responsible for a mailing list with roughly half a million subscribers. The flow is outgoing only as we send a newsletter to subscribers. We ... 31 Mar 2010 08:44

message_size_limit vs virtual_mailbox_limit
I currently have in main.cf like: message_size_limit = 10240000 and virtual_mailbox_limit = 10240000 so, if I want to increase it, I need also increase virtual_mailbox_limit to at least same as message_size_limit can I just use message_size_limit = value, and, don't worry about virtual_mailbox_limit, by se... 31 Mar 2010 18:50

smtpd-policyd feature.
Dear List, We are using the smtpd-policyd feature from long time to allow some specific users to receive higher size mails. It is working fine. But, it does not work when the recipient_count is more than one as we are comparing the value with recipient. There has been lot of development in Postfix by n... 31 Mar 2010 07:37

TLS library problem
Sorry about the flurry of questions today, I'm still getting my feet wet with postfix. pflogsumm pointed out these three warnings about TLS: Mar 28 04:47:54 mail postfix/smtpd[22135]: warning: TLS library problem: 22135:error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol:s23_srvr.c:578: Mar 29 ... 30 Mar 2010 20:43