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Ignore alias domains that have no forward-to because we don't accept mail locally for the alias

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This commit is contained in:
downtownallday 2020-06-15 12:26:12 -04:00
parent 77145e2f38
commit 5f008d91b8
1 changed files with 25 additions and 4 deletions
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29
management/mailconfig.py
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@ -362,7 +362,7 @@ def get_mail_aliases(env, as_map=False):
alias = aliases[address]
xft = ",".join(alias["forward_tos"])
xas = ",".join(alias["permitted_senders"])
list.append( (address, xft, None if xas is "" else xas) )
list.append( (address, xft, None if xas == "" else xas) )
return list
else:
@ -482,11 +482,27 @@ def get_mail_domains(env, as_map=False, filter_aliases=lambda alias: True, categ
# alias domains
#
# Ignore aliases that have no forward-to. We don't need DNS
# handling in that case becuase the alias is there only for the
# permitted-senders. We don't accept mail locally for the alias.
#
# Aliases with only permitted-senders are useful when a server has
# a configured smarthost (eg. sendmail with a smarthost, or using
# ssmtp on Ubuntu, etc). The server drops mail off for delivery to
# the smarthost (MiaB) using its MiaB login but needs to MAIL FROM
# a host login (user@host.tld). Replies should bounce.
#
# A smarthost configuration should be a catch-all, one for each server:
# Alias=@host.tld
# Forward-to=<blank>
# Permitted-senders:<the email that the smarthost used to authenticate with MiaB>
#
if not users_only:
pager = conn.paged_search(env.LDAP_ALIASES_BASE, "(objectClass=mailGroup)", attributes="mail")
pager = conn.paged_search(env.LDAP_ALIASES_BASE, "(objectClass=mailGroup)", attributes=["mail","member","rfc822MailMember"])
if as_map:
for rec in pager:
if filter_aliases(rec["mail"][0].lower()):
if filter_aliases(rec["mail"][0].lower()) and ( len(rec["member"]) >0 or len(rec["rfc822MailMember"]) >0 ):
domain = get_domain(rec["mail"][0].lower(),as_unicode=False)
domains[domain] = {
"dn": None,
@ -494,7 +510,12 @@ def get_mail_domains(env, as_map=False, filter_aliases=lambda alias: True, categ
}
else:
domains = domains.union(set([ get_domain(rec["mail"][0].lower(), as_unicode=False) for rec in pager if filter_aliases(rec["mail"][0].lower()) ]))
alias_domains = set([
get_domain(rec["mail"][0].lower(), as_unicode=False)
for rec in pager if filter_aliases(rec["mail"][0].lower()) and
( len(rec["member"]) >0 or len(rec["rfc822MailMember"]) >0 )
])
domains = domains.union( alias_domains )
return domains