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Codejoy
Asked: 2020-04-22 20:55:59 +0800 CST

I tried postfix restart, said service isn't running. Yet I am on my working mail server? (cent os)

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So I am not sure what I am doing wrong. This all started with the need to let others from outside our network access the SMTP to send email from offsite.

So I had in /etc/postfix a check_clients file, for a test I added my external IP address of my house.

Then I ran:

postmap check_clients to make/update the client.db I suspect I have to update or restart postfix to get this to take? But not sure how since it claims it is not running. I inherited this email server and really don't know what is going on with it but trying to come up to speed fast. It looks like it is running courier-imap.

A ps aux | grep postfix givs nothing a ps aux | grep smtp gives:

postfix  23310  0.0  0.1 192172  7376 ?        S    04:36   0:00 smtpd -n smtp -t inet -u -o stress= -o smtpd_sasl_auth_enable=yes -o receive_override_options=no_address_mappings -o content_filter=smtp-amavis:127.0.0.1:10024
postfix  23330  0.0  0.0  92392  4840 ?        S    04:36   0:00 smtp -n smtp-amavis -t unix -u -o smtp_data_done_timeout=1200 -o smtp_send_xforward_command=yes -o disable_dns_lookups=yes
postfix  23334  0.0  0.1 174872  6888 ?        S    04:36   0:00 smtpd -n 127.0.0.1:10025 -t inet -u -o content_filter= -o local_recipient_maps= -o relay_recipient_maps= -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o mynetworks=127.0.0.0/8 -o strict_rfc821_envelopes=yes -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000
postfix  23388  0.0  0.1 192172  7380 ?        S    04:37   0:00 smtpd -n smtp -t inet -u -o stress= -o smtpd_sasl_auth_enable=yes -o receive_override_options=no_address_mappings -o content_filter=smtp-amavis:127.0.0.1:10024
postfix  24037  0.0  0.1 118332  6812 ?        S    04:49   0:00 smtpd -n smtps -t inet -u -o stress= -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes
postfix  24045  0.0  0.0  92392  4840 ?        S    04:49   0:00 smtp -n smtp-amavis -t unix -u -o smtp_data_done_timeout=1200 -o smtp_send_xforward_command=yes -o disable_dns_lookups=yes
postfix  24111  0.0  0.1 100880  6012 ?        S    04:50   0:00 smtpd -n 127.0.0.1:10025 -t inet -u -o content_filter= -o local_recipient_maps= -o relay_recipient_maps= -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o mynetworks=127.0.0.0/8 -o strict_rfc821_envelopes=yes -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000
root     24131  0.0  0.0 112788   684 pts/0    R+   04:51   0:00 grep --color=auto smtp

I am not sure why I cannot send an email from my mac which when I am on site, sends fine. Here gives a time out on the SMTP connection. I thought it was in that check_clients file not having my IP address for at home. But I feel I could also be way off as for some odd reason I can send/receive email from my outlook on my android no matter what network I am on?

I am 99.9% sure I have the right connection settings in my applemail app too. Not sure what else to look at or to try. Some users claim they can send from their mac mail or thunderbird etc when offsite, and others cannot. Hence why I think this article:

http://www.postfix.org/RESTRICTION_CLASS_README.html

To try to change the smtp_recipient_restrictions and add my ip address too, just not sure how to get whatever mail server I am running to pick that up since postfix reload failed as it claims it is not running :/

centos smtp postfix imap

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