Sqirrelmail、Postfix和Dovecot

Question

我已经安装了Sqirrelmail、Postfix和dovecot。Sqirrelmail不会中继任何错误。没有收到或发送邮件。

其中“user1”是登录到sqirrelmail的用户。

有人能看到我的问题吗？

6月20日18:40:37 ip-172-31-25-194 dovecot:imap-login:login:user=,method=plain,RIP=127.0.0.1,LIP=127.0.0.1,MPID=13183,Securited，Session=

6月20日18:40:37 ip-172-31-25-194 Dovecot:imap(user1):断开连接：注销IN=285 out=1659

6月20日18:40:44 ip-172-31-25-194 postfix/smtpd[13184]:从本地主机连接[127.0.0.1]

6月20日18:40:44 ip-172-31-25-194 postfix/smtpd[13184]:6090b41cf0:client=localhost[127.0.0.1]

6月20日18:40:44 ip-172-31-25-194 Postfix/Cleanup[13187]:6090b41cf0:message-id=<[e-mail]>

6月20日18:40:44 ip-172-31-25-194 Postfix/QMGR[29043]:6090B41CF0:FROM=,size=699,NRCPT=1（队列活动）

6月20日18:40:44 ip-172-31-25-194 postfix/smtpd[13184]:与本地主机断开连接[127.0.0.1]

6月20日18:40:44 ip-172-31-25-194 dovecot:imap-login:login:user=,method=plain,RIP=127.0.0.1,LIP=127.0.0.1,MPID=13189,Securited，Session=

6月20日18:40:44 ip-172-31-25-194 Dovecot:imap(user1):断开连接：注销IN=600 out=524

6月20日18:40:44 ip-172-31-25-194 dovecot:imap-login:login:user=,method=plain,RIP=127.0.0.1,LIP=127.0.0.1,MPID=13191,Securited，Session=

6月20日18:40:44 ip-172-31-25-194 Dovecot:imap(user1):断开连接：注销IN=117 out=1535

Answer 1

Update, I can now send mail to external domains, but not receive from external domains.
But [e-mail] & [e-mail] can send and receive emails to each other.

MX record exists:
10  @   mail.mydomain.com   1 Hour  
0   @   smtp.mydomain.com   1 Hour

doveconf -n

auth_mechanisms = plain login
mail_location = maildir:~/Maildir
namespace inbox {
  inbox = yes
  location =
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix =
}
passdb {
  driver = pam
}
protocols = pop3 imap
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0660
    user = postfix
  }
}
ssl = no
userdb {
  driver = passwd
}

postconf -n

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
home_mailbox = Maildir/
inet_interfaces = all
inet_protocols = ipv4
mailbox_size_limit = 0
mydestination = mydomain.com, ip-172-31-25-194.us-west-2.compute.internal, localhost.us-west-2.compute.internal, localhost
myhostname = mydomain.com
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
queue_directory = /var/spool/postfix
readme_directory = no
recipient_delimiter = +
relayhost =
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes