在 CentOS 7 上重新安装 exim 后，我可以发送电子邮件，但没有收到它们（甚至没有回复我发送的电子邮件）。
客户向我发送电子邮件没有收到任何错误退回 - 从他们的角度来看，电子邮件发送没有问题。
我已经在垃圾邮件中检查了这些电子邮件，并且我在同一个 VPS 上的两个帐户也遇到了同样的问题。
值得注意的是，重新安装 exim 有点麻烦，主要是因为必须从其他来源获取配置文件，所以我觉得问题就出在这里。
我已在以下位置查找丢失的电子邮件：
/主页/管理员/邮件/
/etc/邮件/
但我在那里找不到它们。我还能去别的地方找这些电子邮件吗？
我还为所有收到的消息设置了转发规则，以查看它们是否到达目的地并被发送出去。但事实并非如此。
查看 exim.conf 文件没有显示任何明显的内容（尽管我对它不太熟悉）：
以下是 exim.conf 中传入 SMTP 的访问控制部分（这是整个文件)：
begin acl
acl_check_spammers:
accept hosts = +whitelist
drop message = Your host in blacklist on this server.
log_message = Host in blacklist
hosts = +spammers
accept
acl_check_mail:
deny condition = ${if eq{$sender_helo_name}{}}
message = HELO required before MAIL
drop message = Helo name contains a ip address (HELO was $sender_helo_name) and not is valid
condition = ${if match{$sender_helo_name}{\N((\d{1,3}[.-]\d{1,3}[.-]\d{1,3}[.-]\d{1,3})|([0-9a-f]{8})|([0-9A-F]{8}))\N}{yes}{no}}
condition = ${if match {${lookup dnsdb{>: defer_never,ptr=$sender_host_address}}\}{$sender_helo_name}{no}{yes}}
delay = 45s
drop condition = ${if isip{$sender_helo_name}}
message = Access denied - Invalid HELO name (See RFC2821 4.1.3)
drop condition = ${if eq{[$interface_address]}{$sender_helo_name}}
message = $interface_address is _my_ address
accept
acl_check_rcpt:
accept hosts = :
deny message = Restricted characters in address
domains = +local_domains
local_parts = ^[.] : ^.*[@%!/|]
deny message = Restricted characters in address
domains = !+local_domains
local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
require verify = sender
accept hosts = +relay_from_hosts
control = submission
accept authenticated = *
control = submission/domain=
deny message = Rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
hosts = !+whitelist
dnslists = ${readfile {/etc/exim/dnsbl.conf}{:}}
require message = relay not permitted
domains = +local_domains : +relay_to_domains
deny message = smtp auth requried
sender_domains = +local_domains
!authenticated = *
require verify = recipient
.ifdef CLAMD
warn set acl_m0 = no
warn condition = ${if exists {/etc/exim/domains/$domain/antivirus}{yes}{no}}
set acl_m0 = yes
.endif
.ifdef SPAMASSASSIN
warn set acl_m1 = no
warn condition = ${if exists {/etc/exim/domains/$domain/antispam}{yes}{no}}
set acl_m1 = yes
.endif
accept
acl_check_data:
.ifdef CLAMD
deny message = Message contains a virus ($malware_name) and has been rejected
malware = *
condition = ${if eq{$acl_m0}{yes}{yes}{no}}
.endif
.ifdef SPAMASSASSIN
warn !authenticated = *
hosts = !+relay_from_hosts
condition = ${if < {$message_size}{100K}}
condition = ${if eq{$acl_m1}{yes}{yes}{no}}
spam = spamd:true/defer_ok
add_header = X-Spam-Score: $spam_score_int
add_header = X-Spam-Bar: $spam_bar
add_header = X-Spam-Report: $spam_report
set acl_m2 = $spam_score_int
warn condition = ${if !eq{$acl_m2}{} {yes}{no}}
condition = ${if >{$acl_m2}{SPAM_SCORE} {yes}{no}}
add_header = X-Spam-Status: Yes
message = SpamAssassin detected spam (from $sender_address to $recipients).
.endif
accept
acl_check_mime:
deny message = Blacklisted file extension detected
condition = ${if match {${lc:$mime_filename}}{\N(\.ade|\.adp|\.bat|\.chm|\.cmd|\.com|\.cpl|\.exe|\.hta|\.ins|\.isp|\.jse|\.lib|\.lnk|\.mde|\.msc|\.msp|\.mst|\.pif|\.scr|\.sct|\.shb|\.sys|\.vb|\.vbe|\.vbs|\.vxd|\.wsc|\.wsf|\.wsh)$\N}{1}{0}}
accept
由于没有可以查看的拒绝错误，我完全不知道该怎么办。有人能建议我如何调试吗？
谢谢你！