diff options
Diffstat (limited to 'fetchmail.man')
| -rw-r--r-- | fetchmail.man | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/fetchmail.man b/fetchmail.man index 921fc754..f1856dda 100644 --- a/fetchmail.man +++ b/fetchmail.man @@ -350,20 +350,21 @@ be comma-separated. .B \-m <command>, \--mda <command> (Keyword: mda) You can force mail to be passed to an MDA directly (rather than -forwarded to port 25) with the -mda or -m option. Be aware that this -disables some valuable resource-exhaustion checks and error handling -provided by SMTP listeners; it's not a good idea unless running an -SMTP listener is impossible. If \fIfetchmail\fR is running as root, -it sets its userid to that of the target user while delivering mail -through an MDA. Some possible MDAs are "/usr/sbin/sendmail -oem -f %F -%T", "/usr/bin/deliver" and "/usr/bin/procmail -d %T" (but the latter -is usually redundant as it's what SMTP listeners usually forward -to). Local delivery addresses will be inserted into the MDA command -wherever you place a %T; the mail message's From address will be -inserted where you place an %F. Do \fInot\fR use an MDA invocation -like "sendmail -oem -t" that dispatches on the contents of To/Cc/Bcc, -it will create mail loops and bring the just wrath of many postmasters -down upon your head. +forwarded to port 25) with the -mda or -m option. To avoid losing +mail, use this option only with MDAs like procmail or sendmail that +return a nonzero status on disk-full and other resource-exhaustion +errors; the nonzero status tells fetchmail that delivery failed and +prevents the message from being deleted off the server. If +\fIfetchmail\fR is running as root, it sets its userid to that of the +target user while delivering mail through an MDA. Some possible MDAs +are "/usr/sbin/sendmail -oem -f %F %T", "/usr/bin/deliver" and +"/usr/bin/procmail -d %T" (but the latter is usually redundant as it's +what SMTP listeners usually forward to). Local delivery addresses +will be inserted into the MDA command wherever you place a %T; the +mail message's From address will be inserted where you place an %F. +Do \fInot\fR use an MDA invocation like "sendmail -oem -t" that +dispatches on the contents of To/Cc/Bcc, it will create mail loops and +bring the just wrath of many postmasters down upon your head. .TP .B \--lmtp (Keyword: lmtp) |