Sender Dependent

Introduction to Outgoing IPs By default, when your mail server sends out email the SMTP connection will come from the system’s default IP address, typically that assigned to eth0 . Even if ...

read more

Preheader

You can insert invisible pre-header text into your emails so it won’t show up in the body of your message, but still be visible in the message preview. How to ...

read more

Postfix transport_map

transport_maps = hash:/etc/postfix/transport create /etc/postfix/transport in the format of domain.com smtp:smtp.mailchannels.netdomain2.com smtp:smtp.mailchannels.net add to main.cf: smtpd_sasl_authenticated_header = yes service postfix restart

read more

Installing PMTA

PMTA Powermta Introduction PowerMTA is a Commercial Mail Transfer Agent (MTA) used by many email service providers (ESPs), Mass Mailing Companies And Paid SMTP Providers Like Sendgrid.com, Mandrill.com, SMTP.com, Sendloop.com, and many others. cat > /etc/yum.repos.d/webmin.repo ...

read more

Postfix

Postfix slow down sending for some ESPs in  transport regex: /@.*hotmail\./ slow: /@.*live\./ slow: /@.*msn\./ slow: /@.*yahoo\./ slow: /@.*aol\./ slow: /@.*btinternet\./ slow: /@.*btopenworld\./ slow: /@.*talk21\./ slow: Block specific IP addresses ...

read more

CSF

Step 1: Go to Firewall Configuration (/etc/csf/csf.conf) and add these custom logs (they are at the end of the file): CUSTOM2_LOG = “/var/log/maillog” CUSTOM3_LOG = “/var/log/dovecot-info.log”” – (‘grep -rnw ‘auth ...

read more

FBL

  FBL:  ALL-FBL AOL Bluetie/Excite Comcast Cox Fastmail Hotmail Mail.ru OpenSRS/Tucows Rackspace (formerly Mailtrust) RoadRunner/Time Warner Cable Synacor Terra USA.NET United Online/Juno/Netzero Yahoo! Yandex Zoho.com Telenor Laposte Locaweb QQ XS4ALL ...

read more

SMTP Sending Limit

SMTP Sending Limit and Email Rate Limits for ISPs – Verizon, Comcast, EarthLink, etc Internet Service Providers have the most solutions at their disposal to prevent customers from sending out ...

read more

Bounce Errors

List of Email Bounce Codes Code Summary Description 2.XXX.YYY Success Success specifies that the DSN is reporting a positive delivery action. Detail sub-codes may provide notification of transformations required for ...

read more

Recent Comments

No comments to show.

Recent Comments

    Categories

    Recent Posts

    Installing PMTA

    PMTA Powermta Introduction PowerMTA is a Commercial ...

    By Ilirjan Trushilla / January 14, 2023

    Sender Dependent

    Introduction to Outgoing IPs By default, ...

    By Ilirjan Trushilla / January 14, 2023

    Preheader

    You can insert invisible pre-header text ...

    By Ilirjan Trushilla / January 14, 2023

    Calendar

    March 2024
    M T W T F S S
     123
    45678910
    11121314151617
    18192021222324
    25262728293031

    Archives