>SZÉPE Viktor writes: >>2) Is it possible for Courier to skip DNS lookups for "localhost"? >> >>I wonder why Courier is not using gethostbyname(). >>/etc/hosts contains: >>127.0.0.1 localhost.localdomain localhost
all recursive DNS servers should have localhost defined. Also, mailservers should use own recursive DNS servers, topologically close, so resolving localhost should not be a problem. On 26.03.17 10:32, Sam Varshavchik wrote: >gethostbyname/gethostbyaddr can only look up A addresses. Courier >needs MX records, and so needs to use its own resolver; and with its >own DNS resolver code already in place, it makes no sense to use >different resolvers. Note that different MTAs do the same. AFAIK neither sendmail nor postfix support gethostbyname() or anything other to look up /etc/hosts. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. There's a long-standing bug relating to the x86 architecture that allows you to install Windows. -- Matthew D. Fuller ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ courier-users mailing list courier-users@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
