我的/ var / log / exim / mainlog文件中有多个错误。我不能再从我的服务器发送任何邮件了。例如prestashop测试邮件。未收到php mail（）函数的配置。
你有什么想法吗？
- ＆GT;我的ip没有列入黑名单 - ＆GT; telnet myip 25 - ＆gt;行
谢谢
mainlog中的recurente错误。我真的不明白：
2018-03-30 04:38:23 1f1BuH-0006Hw-Et == ln-1@hotmail.fr R=lookuphost T=remote_smtp defer (110): Connection timed out
2018-03-30 04:39:15 login authenticator failed for (User) [89.248.168.55]: 535 Incorrect authentication data (set_id=test@ip)
2018-03-30 04:39:24 1f1SVv-0003Tj-Oh H=mx1.free.fr [212.27.48.6] Connection timed out
2018-03-30 04:39:33 1f19t1-0002df-SS H=mta6.am0.yahoodns.net [67.195.229.59] Connection timed out
2018-03-30 04:40:34 1f1TBH-0004X0-I9 H=xxx.mail.protection.outlook.com [213.199.154.138] Connection timed out
2018-03-30 04:40:34 1f1TBH-0004X0-I9 == order@xxx R=lookuphost T=remote_smtp defer (110): Connection timed out
2018-03-30 04:40:34 1f1TBH-0004Wm-En == r.stephant@xxx R=virtual_user_unseen T=dovecot_lmtp_udp defer (-44): LMTP error after RCPT TO:<r.stephant@xxx>: 451 4.3.0 <r.stephant@xxx> Temporary internal error
2018-03-30 04:43:51 cwd=/ 4 args: /usr/sbin/sendmail -f fail2ban dan@
2018-03-30 04:43:51 cwd=/var/spool/exim 7 args: /usr/sbin/exim -t -oem -oi -f <> -E
2018-03-30 04:43:51 1f1k19-0005eo-LS <= <> U=mail P=local S=5709 T="Mail failure - malformed recipient address" from <> for fail2ban@xxx
2018-03-30 04:43:51 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1f1k19-0005eo-LS
2018-03-30 04:43:51 1f1k19-0005eo-LS ** fail2ban@xxx F=<>: Unrouteable address
2018-03-30 04:43:51 1f1k19-0005eo-LS Frozen (delivery error message)