Am 2017-03-09 00:41, schrieb Mark Weaver: [ ... ] > And now? > >> telnet merlin 25 > Trying 10.10.3.6... > Connected to merlin.ciss.local. > Escape character is '^]'. > 220 mdw1982.com ESMTP Sendmail 8.14.7/8.14.7; Wed, 8 Mar 2017 18:39:51 > -0500 > ehlo merlin > 250-mdw1982.com Hello [10.10.3.102], pleased to meet you > 250-ENHANCEDSTATUSCODES > 250-PIPELINING > 250-8BITMIME > 250-SIZE > 250-DSN > 250-ETRN > 250-DELIVERBY > 250 HELP >> auth login > 504 5.3.3 AUTH mechanism login not available Mark, which cyrus-sasl packages did you install? What's your precise Sendmail configuration in sendmail.mc? Please provide too your /etc/sasl2/Sendmail.conf as well your saslauthd configuration if you make use of it. Alexander P.S. This is a mailing list, so please strip your replies as it is not necessary to quote a hole previous mail. Just keep the context to which your reply. Thanks.