Date: Sun, 18 Dec 2005 11:13:42 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Sasa Stupar <sasa@stupar.homelinux.net> Cc: FreeBSD Q ML <freebsd-questions@freebsd.org> Subject: Re: Long delay when sending mail Message-ID: <43A54466.3060502@infracaninophile.co.uk> In-Reply-To: <F403D998D6BBED02D84B1F2E@[192.168.10.249]> References: <F403D998D6BBED02D84B1F2E@[192.168.10.249]>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8AFB187156D7C4ADE27330A9 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sasa Stupar wrote: > Hi! > > I have configured mail server on FreeBSD 5.4 with sendmail 8.13.5 and > cyrus-imapd v2. I am also using client Mulberry (but also tested with > Tbird, Outlook Express, Outlook). I use IMAP access with all the > clients, the server is on the same network as clients (100 Mbit > network). The issue is when I try to send several messages one after > another I get smtp delay message and this sometimes takes for 30 sec to > a minute. My sendmail has configured a smart host and also to accept > unqualified domains. > I have attached my sendmail config. > What am I missing here? 30s delays sounds like DNS timeouts. Check that the host running sendmail can do a reverse lookup on the IP number of the clients connecting to it. Simply putting IPs and hostnames of all your client boxes into /etc/hosts should fix the problem. Alternatively, that delay could be due to the ident protocol. Ident is trivially easy to spoof which makes it a pointless waste of time. Putting: define(`confTO_IDENT', `0')dnl in your .mc file will stop ident getting in your hair. The third possibility is that you've got quite a few milters set up there and sendmail simply needs a bit of time to run each message through all of them. Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate Kent, CT11 9PW --------------enig8AFB187156D7C4ADE27330A9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDpURs8Mjk52CukIwRA2jyAJ41jyTzNpO2u0ZCEpoBd3OAAnusJgCcClD2 ul5q1gXqXo5G23Vdve98yFk= =uuvG -----END PGP SIGNATURE----- --------------enig8AFB187156D7C4ADE27330A9--
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