Commands tagged smtp sorted by votes

Commands tagged smtp (7)

sorted by

python smtp server

This command will start a simple SMTP server listening on port 1025 of localhost. This server simply prints to standard output all email headers and the email body.
This is sample output - yours may be different.
75

python -m smtpd -n -c DebuggingServer localhost:1025

jemerick · 2009-02-05 16:50:44 3
Send email with curl and gmail

Required curl version >=7.21; using ~/.netrc for authorization
This is sample output - yours may be different.
13

curl -n --ssl-reqd --mail-from "<[email protected]>" --mail-rcpt "<[email protected]>" --url smtps://smtp.gmail.com:465 -T file.txt

mitry · 2010-10-03 15:44:53 16
Connect to SMTP server using STARTTLS

Allows you to connect to an SMTP server over TLS, which is useful for debugging SMTP sessions. (Much like telnet to 25/tcp). Once connected you can manually issue SMTP commands in the clear (e.g. EHLO) Show Sample Output
This is sample output - yours may be different.
```
$ openssl s_client -starttls smtp -crlf -connect smtp1.google.com:25
CONNECTED(00000003)
depth=1 /C=ZA/ST=Western Cape/L=Cape Town/O=Thawte Consulting cc/OU=Certification Services Division/CN=Thawte Premium Server CA/[email protected]
verify error:num=19:self signed certificate in certificate chain
verify return:0
---
Certificate chain
<...>
---
220 smtp.google.com ESMTP
```
7

openssl s_client -starttls smtp -crlf -connect 127.0.0.1:25

realist · 2009-08-19 08:37:24 1
Create AUTH PLAIN string to test SMTP AUTH session

I use this as an alias: alias authplain "printf '\!:1\0\!:1\0\!:2' | mmencode | tr -d '\n' | sed 's/^/AUTH PLAIN /'" then.. # authplain [email protected] secretpassword AUTH PLAIN c29tZXVzZXJAc29tZWRvbWFpbi5jb20Ac29tZXVzZXJAc29tZWRvbWFpbi5jb20Ac2VjcmV0cGFzc3dvcmQ= # Show Sample Output
This is sample output - yours may be different.
```
AUTH PLAIN dmlsbGUAdmlsbGUAc2FsYXNhbmE=
```
4

printf '\!:1\0\!:1\0\!:2' | mmencode | tr -d '\n' | sed 's/^/AUTH PLAIN /'

vwal · 2009-08-04 05:04:50 1
Email HTML content

Note, this works because smtp is running
This is sample output - yours may be different.
2

mailx [email protected] -s "HTML Hello" -a "Content-Type: text/html" < body.htm

ethanmiller · 2009-05-19 04:49:26 0
Use socat to emulate an SMTP mail SERVER

Lots of scripts show you how to use socat to send an email to an SMTP server; this command actually emulates an SMTP server! It assumes the client is only sending to one recipient, and it's not at all smart, but it'll capture the email into a log file and the client will stop retrying. I used this to diagnose what emails were being sent by cron and subsequently discarded, but you can use it for all sorts of things. Show Sample Output
This is sample output - yours may be different.
```
EHLO host.example.com
MAIL FROM:<[email protected]>
RCPT TO:<[email protected]>
DATA
Received: by host.example.com (Postfix, from userid 1234)
	id 955; Wed, 26 Nov 2014 12:56:03 -0800 (PST)
From: [email protected] (Cron Daemon)
To: [email protected]
Subject: Cron <[email protected]>    
Content-Type: text/plain; charset=UTF-8
Message-Id: <[email protected]>
Date: Wed, 26 Nov 2014 12:56:01 -0800 (PST)

foobar: cannot remove user's mustache.
.
QUIT
```
1

socat TCP4-LISTEN:25,fork EXEC:'bash -c \"echo 220;sleep 1;echo 250;sleep 1;echo 250;sleep 1;echo 250;sleep 1;echo 354;sleep 1;echo 250; timeout 5 cat >> /tmp/socat.log\"'

pfudd · 2014-11-26 21:14:05 1
Create AUTH PLAIN string to test SMTP AUTH session
This is sample output - yours may be different.
0

authplain() { echo -n "AUTH PLAIN "; echo -n \\0$1\\0$2\\0 | base64; }

danky · 2014-11-26 15:24:08 0

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Check These Out

Clone or rescue a block device

If you use the logfile feature of ddrescue, the data is rescued very efficiently (only the needed blocks are read). Also you can interrupt the rescue at any time and resume it later at the same point. http://www.gnu.org/software/ddrescue/ddrescue.html

view all lines without comments.

Determine space taken by files of certain type

Just how much space are those zillions of database logs taking up ? How much will you gain on a compression rate of say 80% ? This little line gives you a good start for your calculations.

Download latest released gitlab docker container

find all open files by named process

lists all files that are opened by processess named $processname egrep 'w.+REG' is to filter out non file listings in lsof, awk to get the filenames, and sort | uniq to remove duplciation

Read null character seperated fields from a file

Handle any bad named file which contains ",',\n,\b,\t,` etc Store the file name as null character separated list $find . -print0 >name.lst and retrieve it using $read -r -d "" Eg: $find . -print0 >name.lst; $cat name.lst| while IFS="" read -r -d "" file; $do $ls -l "$file"; $done

Sort processes by CPU Usage

Short list about top 10 processes, sorted by CPU usage

easily strace all your apache processes

This version also attaches to new processes forked by the parent apache process. That way you can trace all current and *future* apache processes.

Get AWS temporary credentials ready to export based on a MFA virtual appliance

You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

print crontab entries for all the users that actually have a crontab

This is how I list the crontab for all the users on a given system that actually have a crontab. You could wrap it with a function block and place it in your .profile or .bashrc for quick access. There's prolly a simpler way to do this. Discuss.

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands tagged smtp

Commands tagged smtp (7) the last day the last week the last month all time sorted by date votes

What's this?

Check These Out

Stay in the loop…

Commands tagged smtp (7)

sorted by