diff options
author | Stef Walter <stef@memberwebs.com> | 2004-07-20 18:42:13 +0000 |
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committer | Stef Walter <stef@memberwebs.com> | 2004-07-20 18:42:13 +0000 |
commit | 6c40879579dc6663cf7050571ecff9139c18af75 (patch) | |
tree | 2573d7a3e2a28b5d7f081dee0e12c041b12fcaa1 /src/clamsmtpd.8 | |
parent | 445fd41210877453c04d0659a113189e7b42d5f7 (diff) |
- Added comments about loopback feature
Diffstat (limited to 'src/clamsmtpd.8')
-rw-r--r-- | src/clamsmtpd.8 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/clamsmtpd.8 b/src/clamsmtpd.8 index 00ff1aa..c3d786d 100644 --- a/src/clamsmtpd.8 +++ b/src/clamsmtpd.8 @@ -131,7 +131,7 @@ is the number of seconds to wait while reading data from network connections. [Default: 180 seconds] .It serveraddr The address of the SMTP server to send email to once it's been scanned. This -option must be specified. See syntax of addreses below. +option must be specified. See syntax of addreses below. .El .Sh LOGGING .Nm @@ -141,6 +141,16 @@ by default under the 'mail' facility. You can also output logs to the console using the .Fl d option. +.Sh LOOPBACK FEATURE +In some cases it's advantagous to consolidate the virus scanning and filtering +for several mail servers on one machine. +.Nm +allows this by providing a loopback feature to connect back to the IP that a +SMTP connection comes from. If only a port is specified for the +.Ar serveraddr +(without IP) then +.Nm +passes the email to the incoming peer's IP address on the said port. .Sh SECURITY There's no reason to run this daemon as root. It is meant as a filter and should listen on a high TCP port. It's probably a good idea to run it using the same @@ -155,6 +165,10 @@ writes its temporary files to. In order to be secure, it should not be a world writeable location. Specify the directory using the .Fl t option. +.Pp +.Nm +should probably not be run on a publicly accessible IP address or without a +firewall. This is especially true if the loopback feature is used (see above). .Sh ADDRESSES Addresses can be specified in multiple formats: .Bl -bullet |