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-rw-r--r--share/man/man7/mailaddr.730
1 files changed, 20 insertions, 10 deletions
diff --git a/share/man/man7/mailaddr.7 b/share/man/man7/mailaddr.7
index 2f5b240f16ed..07370fb99b90 100644
--- a/share/man/man7/mailaddr.7
+++ b/share/man/man7/mailaddr.7
@@ -40,11 +40,13 @@
.Nd mail addressing description
.Sh DESCRIPTION
Mail addresses are based on the Internet protocol listed at the end of this
-manual page. These addresses are in the general format
+manual page.
+These addresses are in the general format
.Pp
.Dl user@domain
.Pp
-where a domain is a hierarchical dot separated list of subdomains. For
+where a domain is a hierarchical dot separated list of subdomains.
+For
example, a valid address is:
.Pp
.Dl eric@CS.Berkeley.EDU
@@ -57,7 +59,8 @@ to CS over the Ethernet rather than going via the Berkeley Internet
gateway.
.Ss Abbreviation.
Under certain circumstances it may not be necessary to type the entire
-domain name. In general, anything following the first dot may be omitted
+domain name.
+In general, anything following the first dot may be omitted
if it is the same as the domain from which you are sending the message.
For example, a user on ``calder.berkeley.edu'' could send to ``eric@CS''
without adding the ``berkeley.edu'' since it is the same on both sending
@@ -65,7 +68,8 @@ and receiving hosts.
.Ss Compatibility.
.Pp
Certain old address formats are converted to the new format to provide
-compatibility with the previous mail system. In particular,
+compatibility with the previous mail system.
+In particular,
.Pp
.Dl user@host
.Pp
@@ -94,25 +98,30 @@ on for compatibility with older UUCP hosts.
.Ss Case Distinctions.
.Pp
Domain names (i.e., anything after the ``@'' sign) may be given in any mixture
-of upper and lower case with the exception of UUCP hostnames. Most hosts
+of upper and lower case with the exception of UUCP hostnames.
+Most hosts
accept any combination of case in user names, with the notable exception of
MULTICS sites.
.Ss Route-addrs.
.Pp
Under some circumstances it may be necessary to route a message through
-several hosts to get it to the final destination. Normally this routing
+several hosts to get it to the final destination.
+Normally this routing
is done automatically, but sometimes it is desirable to route the message
-manually. Addresses which show these relays are termed ``route-addrs.''
+manually.
+Addresses which show these relays are termed ``route-addrs.''
These use the syntax:
.Pp
.Dl <@hosta,@hostb:user@hostc>
.Pp
This specifies that the message should be sent to hosta, from there to hostb,
-and finally to hostc. This path is forced even if there is a more efficient
+and finally to hostc.
+This path is forced even if there is a more efficient
path to hostc.
.Pp
Route-addrs occur frequently on return addresses, since these are generally
-augmented by the software at each host. It is generally possible to ignore
+augmented by the software at each host.
+It is generally possible to ignore
all but the ``user@hostc'' part of the address to determine the actual
sender.
.Pp
@@ -134,7 +143,8 @@ Some other networks can be reached by giving the name of the network as the
last component of the domain.
.Em This is not a standard feature
and may
-not be supported at all sites. For example, messages to CSNET or BITNET sites
+not be supported at all sites.
+For example, messages to CSNET or BITNET sites
can often be sent to ``user@host.CSNET'' or ``user@host.BITNET'' respectively.
.Sh SEE ALSO
.Xr mail 1 ,